diff --git a/file/lib/data/message/MessageAction.class.php b/file/lib/data/message/MessageAction.class.php
index 65f9972..4dcf7be 100644
--- a/file/lib/data/message/MessageAction.class.php
+++ b/file/lib/data/message/MessageAction.class.php
@@ -48,9 +48,10 @@ public function prune() {
 	 */
 	public function validateSend() {
 		// read user data
-		$this->parameters['userData']['color'] = \chat\util\ChatUtil::readUserData('color');
-		$this->parameters['userData']['roomID'] = \chat\util\ChatUtil::readUserData('roomID');
-		$this->parameters['userData']['away'] = \chat\util\ChatUtil::readUserData('away');
+		$this->parameters['userData']['color1'] = WCF::getUser()->chatColor1;
+		$this->parameters['userData']['color2'] = WCF::getUser()->chatColor2;
+		$this->parameters['userData']['roomID'] = WCF::getUser()->chatRoomID;
+		$this->parameters['userData']['away'] = WCF::getUser()->chatAway;
 		
 		// read and validate room
 		$this->parameters['room'] = room\RoomCache::getInstance()->getRoom($this->parameters['userData']['roomID']);
@@ -81,7 +82,11 @@ public function validateSend() {
 			}
 		}
 		
-		\chat\util\ChatUtil::writeUserData(array('away' => null));
+		$editor = new \wcf\data\user\UserEditor(WCF::getUser());
+		$editor->update(array(
+			'chatAway' => null,
+			'chatLastActivity' => TIME_NOW
+		));
 		
 		// mark user as back
 		if ($this->parameters['userData']['away'] !== null) {
@@ -93,8 +98,8 @@ public function validateSend() {
 					'time' => TIME_NOW,
 					'type' => Message::TYPE_BACK,
 					'message' => '',
-					'color1' => $this->parameters['userData']['color'][1],
-					'color2' => $this->parameters['userData']['color'][2]
+					'color1' => $this->parameters['userData']['color1'],
+					'color2' => $this->parameters['userData']['color2']
 				)
 			));
 			$messageAction->executeAction();
@@ -131,7 +136,7 @@ public function validateSend() {
 	/**
 	 * Creates sent message.
 	 */
-	public function send() {		
+	public function send() {
 		$this->objectAction = new MessageAction(array(), 'create', array(
 			'data' => array(
 				'roomID' => $this->parameters['room']->roomID,
@@ -143,8 +148,8 @@ public function send() {
 				'message' => $this->parameters['text'],
 				'enableSmilies' => $this->parameters['enableSmilies'] ? 1 : 0,
 				'enableHTML' => $this->parameters['enableHTML'] ? 1 : 0,
-				'color1' => $this->parameters['userData']['color'][1],
-				'color2' => $this->parameters['userData']['color'][2]
+				'color1' => $this->parameters['userData']['color1'],
+				'color2' => $this->parameters['userData']['color2']
 			)
 		));
 		$this->objectAction->executeAction();
diff --git a/file/lib/data/room/Room.class.php b/file/lib/data/room/Room.class.php
index 0979eaf..521bb7d 100644
--- a/file/lib/data/room/Room.class.php
+++ b/file/lib/data/room/Room.class.php
@@ -126,12 +126,11 @@ public function countUsers() {
 		$sql = "SELECT
 				COUNT(*)
 			FROM
-				wcf".WCF_N."_user_storage
+				wcf".WCF_N."_user
 			WHERE
-					field = ?
-				AND 	fieldValue = ?";
+				chatRoomID = ?";
 		$stmt = WCF::getDB()->prepareStatement($sql);
-		$stmt->execute(array('roomID', $this->roomID));
+		$stmt->execute(array($this->roomID));
 	
 		return $stmt->fetchColumn();
 	}
@@ -142,21 +141,8 @@ public function countUsers() {
 	 * @return	\wcf\data\user\UserProfileList
 	 */
 	public function getUsers() {
-		$sql = "SELECT
-				userID
-			FROM
-				wcf".WCF_N."_user_storage 
-			WHERE
-					field = ?
-				AND 	fieldValue = ?";
-		$stmt = WCF::getDB()->prepareStatement($sql);
-		$stmt->execute(array('roomID', $this->roomID));
-		$userIDs = array();
-		while ($userID = $stmt->fetchColumn()) $userIDs[] = $userID;
-		
 		$userList = new \wcf\data\user\UserProfileList();
-		if (!empty($userIDs)) $userList->getConditionBuilder()->add('user_table.userID IN (?)', array($userIDs));
-		else $userList->getConditionBuilder()->add('1 = 0', array());
+		$userList->getConditionBuilder()->add('user_table.chatRoomID = ?', array($this->roomID));
 		
 		$userList->readObjects();
 		
@@ -170,35 +156,15 @@ public function getUsers() {
 	 */
 	public static function getDeadUsers() {
 		if (\wcf\system\nodePush\NodePushHandler::getInstance()->isEnabled()) {
-			$time = TIME_NOW - 120;
+			$time = TIME_NOW - 180;
 		}
 		else {
 			$time = TIME_NOW;
 		}
 		
-		$sql = "SELECT
-				r.userID
-			FROM
-				wcf".WCF_N."_user_storage r
-			LEFT JOIN
-				wcf".WCF_N."_user_storage a
-				ON		a.userID = r.userID 
-					AND	a.field = ? 
-			WHERE
-					r.field = ?
-				AND	r.fieldValue IS NOT NULL
-				AND	(
-							a.fieldValue < ?
-						OR	a.fieldValue IS NULL
-				)";
-		$stmt = WCF::getDB()->prepareStatement($sql);
-		$stmt->execute(array('lastActivity', 'roomID', $time - 30));
-		$userIDs = array();
-		while ($userID = $stmt->fetchColumn()) $userIDs[] = $userID;
-		
 		$userList = new \wcf\data\user\UserList();
-		if (!empty($userIDs)) $userList->getConditionBuilder()->add('user_table.userID IN (?)', array($userIDs));
-		else $userList->getConditionBuilder()->add('1 = 0', array());
+		$userList->getConditionBuilder()->add('user_table.chatRoomID IS NOT NULL', array());
+		$userList->getConditionBuilder()->add('user_table.chatLastActivity < ?', array($time - 30));
 		
 		$userList->readObjects();
 		
diff --git a/file/lib/data/room/RoomAction.class.php b/file/lib/data/room/RoomAction.class.php
index 21da859..e6f9bd8 100644
--- a/file/lib/data/room/RoomAction.class.php
+++ b/file/lib/data/room/RoomAction.class.php
@@ -126,8 +126,7 @@ public function updatePosition() {
 	public function validateGetRoomList() {
 		if (!MODULE_CHAT) throw new \wcf\system\exception\IllegalLinkException();
 		
-		$roomID = ChatUtil::readUserData('roomID');
-		$this->parameters['room'] = RoomCache::getInstance()->getRoom($roomID);
+		$this->parameters['room'] = RoomCache::getInstance()->getRoom(WCF::getUser()->chatRoomID);
 		if ($this->parameters['room'] === null) throw new \wcf\system\exception\IllegalLinkException();
 	}
 	
@@ -162,8 +161,7 @@ public function validateLeave() {
 		
 		unset($this->parameters['user']);
 		
-		$roomID = ChatUtil::readUserData('roomID');
-		if (RoomCache::getInstance()->getRoom($roomID) === null) throw new \wcf\system\exception\IllegalLinkException();
+		if (RoomCache::getInstance()->getRoom(WCF::getUser()->chatRoomID) === null) throw new \wcf\system\exception\IllegalLinkException();
 	}
 	
 	/**
@@ -175,13 +173,10 @@ public function leave() {
 			$this->parameters['user'] = WCF::getUser();
 		}
 		
-		$roomID = ChatUtil::readUserData('roomID', $this->parameters['user']);
-		$room = RoomCache::getInstance()->getRoom($roomID);
+		$room = RoomCache::getInstance()->getRoom($this->parameters['user']->chatRoomID);
 		if ($room === null) throw new \wcf\system\exception\UserInputException();
 		
 		if (CHAT_DISPLAY_JOIN_LEAVE) {
-			$userData['color'] = ChatUtil::readUserData('color', $this->parameters['user']);
-			
 			// leave message
 			$messageAction = new \chat\data\message\MessageAction(array(), 'create', array(
 				'data' => array(
@@ -191,15 +186,18 @@ public function leave() {
 					'time' => TIME_NOW,
 					'type' => \chat\data\message\Message::TYPE_LEAVE,
 					'message' => '',
-					'color1' => $userData['color'][1],
-					'color2' => $userData['color'][2]
+					'color1' => $this->parameters['user']->chatColor1,
+					'color2' => $this->parameters['user']->chatColor2
 				)
 			));
 			$messageAction->executeAction();
 		}
 		
 		// set current room to null
-		ChatUtil::writeUserData(array('roomID' => null), $this->parameters['user']);
+		$editor = new \wcf\data\user\UserEditor($this->parameters['user']);
+		$editor->update(array(
+			'chatRoomID' => null
+		));
 		
 		\wcf\system\nodePush\NodePushHandler::getInstance()->sendMessage('be.bastelstu.chat.join');
 	}
diff --git a/file/lib/data/suspension/Suspension.class.php b/file/lib/data/suspension/Suspension.class.php
index d48d450..7431ce9 100644
--- a/file/lib/data/suspension/Suspension.class.php
+++ b/file/lib/data/suspension/Suspension.class.php
@@ -42,9 +42,17 @@ public function isValid() {
 	 */
 	public static function getSuspensionsForUser(\wcf\data\user\User $user = null) {
 		if ($user === null) $user = WCF::getUser();
-		$suspensions = \chat\util\ChatUtil::readUserData('suspensions', $user);
+		$ush = \wcf\system\user\storage\UserStorageHandler::getInstance();
 		
-		if ($suspensions === null) {
+		// load storage
+		$ush->loadStorage(array($user->userID));
+		$data = $ush->getStorage(array($user->userID), 'chatSuspensions');
+		
+		try {
+			$suspensions = unserialize($data[$user->userID]);
+			if (!$suspensions) throw new \wcf\system\exception\SystemException();
+		}
+		catch (\wcf\system\exception\SystemException $e) {
 			$sql = "SELECT
 					*
 				FROM
@@ -60,7 +68,7 @@ public static function getSuspensionsForUser(\wcf\data\user\User $user = null) {
 				$suspensions[$suspension->roomID][$suspension->type] = $suspension;
 			}
 			
-			\chat\util\ChatUtil::writeUserData(array('suspensions' => $suspensions), $user);
+			$ush->update($user->userID, 'chatSuspensions', serialize($suspensions));
 		}
 		
 		return $suspensions;
diff --git a/file/lib/data/suspension/SuspensionEditor.class.php b/file/lib/data/suspension/SuspensionEditor.class.php
index e7df46a..9642fb2 100644
--- a/file/lib/data/suspension/SuspensionEditor.class.php
+++ b/file/lib/data/suspension/SuspensionEditor.class.php
@@ -23,6 +23,6 @@ class SuspensionEditor extends \wcf\data\DatabaseObjectEditor implements \wcf\da
 	public static function resetCache() {
 		$ush = \wcf\system\user\storage\UserStorageHandler::getInstance();
 		
-		$ush->resetAll('suspensions');
+		$ush->resetAll('chatSuspensions');
 	}
 }
diff --git a/file/lib/page/ChatPage.class.php b/file/lib/page/ChatPage.class.php
index 36678cd..f8a26e6 100644
--- a/file/lib/page/ChatPage.class.php
+++ b/file/lib/page/ChatPage.class.php
@@ -109,12 +109,6 @@ public function readData() {
 		parent::readData();
 		
 		$this->readRoom();
-		$this->userData['color'] = \chat\util\ChatUtil::readUserData('color');
-		\chat\util\ChatUtil::writeUserData(array(
-			'roomID' => $this->room->roomID,
-			'away' => null,
-			'lastActivity' => TIME_NOW
-		));
 		
 		if (CHAT_DISPLAY_JOIN_LEAVE) {
 			$messageAction = new data\message\MessageAction(array(), 'create', array(
@@ -125,8 +119,8 @@ public function readData() {
 					'time' => TIME_NOW,
 					'type' => \chat\data\message\Message::TYPE_JOIN,
 					'message' => serialize(array('ipAddress' => \wcf\util\UserUtil::convertIPv6To4(\wcf\util\UserUtil::getIpAddress()))),
-					'color1' => $this->userData['color'][1],
-					'color2' => $this->userData['color'][2]
+					'color1' => WCF::getUser()->chatColor1,
+					'color2' => WCF::getUser()->chatColor2
 				)
 			));
 			$messageAction->executeAction();
@@ -135,12 +129,20 @@ public function readData() {
 		
 		$this->newestMessages = data\message\MessageList::getNewestMessages($this->room, CHAT_LASTMESSAGES);
 		try {
-			\chat\util\ChatUtil::writeUserData(array('lastSeen' => end($this->newestMessages)->messageID));
+			$lastSeen = end($this->newestMessages)->messageID;
 		}
 		catch (\wcf\system\exception\SystemException $e) {
-			\chat\util\ChatUtil::writeUserData(array('lastSeen' => 0));
+			$lastSeen = 0;
 		}
 		
+		$editor = new \wcf\data\user\UserEditor(WCF::getUser());
+		$editor->update(array(
+			'chatRoomID' => $this->room->roomID,
+			'chatAway' => null,
+			'chatLastActivity' => TIME_NOW,
+			'chatLastSeen' => $lastSeen
+		));
+		
 		// get default smilies
 		if (MODULE_SMILEY) {
 			$this->smileyCategories = \wcf\data\smiley\SmileyCache::getInstance()->getCategories();
diff --git a/file/lib/page/NewMessagesPage.class.php b/file/lib/page/NewMessagesPage.class.php
index ba2424c..0ed91ff 100644
--- a/file/lib/page/NewMessagesPage.class.php
+++ b/file/lib/page/NewMessagesPage.class.php
@@ -73,7 +73,7 @@ public function readData() {
 	 * Fetches the new messages
 	 */
 	public function readMessages() {
-		$this->messages = data\message\MessageList::getMessagesSince($this->room, \chat\util\ChatUtil::readUserData('lastSeen'));
+		$this->messages = data\message\MessageList::getMessagesSince($this->room, WCF::getUser()->chatLastSeen);
 		
 		// update last seen message
 		$sql = "SELECT
@@ -83,9 +83,10 @@ public function readMessages() {
 		$stmt = WCF::getDB()->prepareStatement($sql);
 		$stmt->execute();
 		
-		\chat\util\ChatUtil::writeUserData(array(
-			'lastSeen' => $stmt->fetchColumn(),
-			'lastActivity' => TIME_NOW
+		$editor = new \wcf\data\user\UserEditor(WCF::getUser());
+		$editor->update(array(
+			'chatLastSeen' => $stmt->fetchColumn(),
+			'chatLastActivity' => TIME_NOW
 		));
 	}
 	
@@ -93,9 +94,7 @@ public function readMessages() {
 	 * Initializes the room databaseobject.
 	 */
 	public function readRoom() {
-		$roomID = \chat\util\ChatUtil::readUserData('roomID');
-		
-		$this->room = \chat\data\room\RoomCache::getInstance()->getRoom($roomID);
+		$this->room = \chat\data\room\RoomCache::getInstance()->getRoom(WCF::getUser()->chatRoomID);
 		if (!$this->room) throw new IllegalLinkException();
 		if (!$this->room->canEnter()) throw new \wcf\system\exception\PermissionDeniedException();
 	}
diff --git a/file/lib/system/command/commands/AwayCommand.class.php b/file/lib/system/command/commands/AwayCommand.class.php
index 3ad64cc..1a2c2b8 100644
--- a/file/lib/system/command/commands/AwayCommand.class.php
+++ b/file/lib/system/command/commands/AwayCommand.class.php
@@ -15,7 +15,10 @@ class AwayCommand extends \chat\system\command\AbstractCommand {
 	public function __construct(\chat\system\command\CommandHandler $commandHandler) {
 		parent::__construct($commandHandler);
 		
-		\chat\util\ChatUtil::writeUserData(array('away' => $commandHandler->getParameters()));
+		$editor = new \wcf\data\user\UserEditor(WCF::getUser());
+		$editor->update(array(
+			'chatAway' => $commandHandler->getParameters()
+		));
 		$this->didInit();
 	}
 	
diff --git a/file/lib/system/command/commands/BanCommand.class.php b/file/lib/system/command/commands/BanCommand.class.php
index 2ac5c1b..8840110 100644
--- a/file/lib/system/command/commands/BanCommand.class.php
+++ b/file/lib/system/command/commands/BanCommand.class.php
@@ -28,7 +28,7 @@ public function executeAction() {
 		$this->suspensionAction = new suspension\SuspensionAction(array(), 'create', array(
 			'data' => array(
 				'userID' => $this->user->userID,
-				'roomID' => ChatUtil::readUserData('roomID'),
+				'roomID' => WCF::getUser()->chatRoomID,
 				'type' => suspension\Suspension::TYPE_BAN,
 				'expires' => $this->expires
 			)
diff --git a/file/lib/system/command/commands/ColorCommand.class.php b/file/lib/system/command/commands/ColorCommand.class.php
index 06ec030..16fada1 100644
--- a/file/lib/system/command/commands/ColorCommand.class.php
+++ b/file/lib/system/command/commands/ColorCommand.class.php
@@ -56,13 +56,19 @@ public function __construct(\chat\system\command\CommandHandler $commandHandler)
 			if (isset(self::$colors[$val])) $color[$key] = self::$colors[$val];
 			else {
 				if (!$regex->match($val)) throw new \chat\system\command\NotFoundException();
+				
 				$matches = $regex->getMatches();
 				$val = $matches[1];
 				if (strlen($val) == 3) $val = $val[0].$val[0].$val[1].$val[1].$val[2].$val[2];
 				$color[$key] = hexdec($val);
 			}
 		}
-		\chat\util\ChatUtil::writeUserData(array('color' => $color));
+		
+		$editor = new \wcf\data\user\UserEditor(\wcf\system\WCF::getUser());
+		$editor->update(array(
+			'chatColor1' => $color[1],
+			'chatColor2' => $color[2]
+		));
 		$this->didInit();
 	}
 	
diff --git a/file/lib/system/command/commands/InfoCommand.class.php b/file/lib/system/command/commands/InfoCommand.class.php
index a904e0c..29b8dd2 100644
--- a/file/lib/system/command/commands/InfoCommand.class.php
+++ b/file/lib/system/command/commands/InfoCommand.class.php
@@ -34,13 +34,13 @@ public function __construct(\chat\system\command\CommandHandler $commandHandler)
 		$this->lines[WCF::getLanguage()->get('wcf.user.username')] = "[url='".$profile."']".$this->user->username.'[/url]';
 		
 		// Away-Status
-		if (ChatUtil::readUserData('away', $this->user) !== null) {
-			$this->lines[WCF::getLanguage()->get('wcf.chat.away')] = ChatUtil::readUserData('away', $this->user);
+		if ($this->user->chatAway !== null) {
+			$this->lines[WCF::getLanguage()->get('wcf.chat.away')] = $this->user->chatAway;
 		}
 		
 		// Room
-		$room = \chat\data\room\RoomCache::getInstance()->getRoom(ChatUtil::readUserData('roomID', $this->user));
-		if ($room->roomID && $room->canEnter()) {
+		$room = \chat\data\room\RoomCache::getInstance()->getRoom($this->user->chatRoomID);
+		if ($room !== null && $room->canEnter()) {
 			$this->lines[WCF::getLanguage()->get('chat.general.room')] = $room->getTitle();
 		}
 		
diff --git a/file/lib/system/command/commands/MuteCommand.class.php b/file/lib/system/command/commands/MuteCommand.class.php
index a68e405..f6df4be 100644
--- a/file/lib/system/command/commands/MuteCommand.class.php
+++ b/file/lib/system/command/commands/MuteCommand.class.php
@@ -60,7 +60,7 @@ public function executeAction() {
 		$this->suspensionAction = new suspension\SuspensionAction(array(), 'create', array(
 			'data' => array(
 				'userID' => $this->user->userID,
-				'roomID' => ChatUtil::readUserData('roomID'),
+				'roomID' => WCF::getUser()->chatRoomID,
 				'type' => suspension\Suspension::TYPE_MUTE,
 				'expires' => $this->expires
 			)
diff --git a/file/lib/util/ChatUtil.class.php b/file/lib/util/ChatUtil.class.php
index 5b0eccb..fa5c505 100644
--- a/file/lib/util/ChatUtil.class.php
+++ b/file/lib/util/ChatUtil.class.php
@@ -29,14 +29,6 @@ final class ChatUtil {
 	 */
 	const PACKAGE_IDENTIFIER = 'be.bastelstu.chat';
 	
-	/**
-	 * Which user-storage-keys need serialization.
-	 * The value should always be true.
-	 * 
-	 * @var array<boolean>
-	 */
-	private static $serialize = array('color' => true, 'suspensions' => true);
-	
 	/**
 	 * Cached packageID of Tims Chat.
 	 * 
@@ -55,16 +47,6 @@ public static function getPackageID() {
 		return self::$packageID;
 	}
 	
-	/**
-	 * Returns a random number.
-	 * 
-	 * @return	integer
-	 */
-	public static function /* int */ getRandomNumber() {
-		return 4;	// chosen by a fair dice roll
-				// guaranteed to be random
-	}
-	
 	/**
 	 * Creates a gradient out of two colors represented by an integer.
 	 * The first byte is red, the second byte is green, the third one is blue.
@@ -95,51 +77,6 @@ public static function gradient($string, $start, $end) {
 		return $result;
 	}
 	
-	/**
-	 * Reads user data.
-	 *
-	 * @param	string			$field
-	 * @param	\wcf\data\user\User	$user
-	 * @return	mixed
-	 */
-	public static function readUserData($field, \wcf\data\user\User $user = null) {
-		if ($user === null) $user = WCF::getUser();
-		$ush = UserStorageHandler::getInstance();
-		
-		// load storage
-		$ush->loadStorage(array($user->userID));
-		$data = $ush->getStorage(array($user->userID), $field);
-		
-		if ($data[$user->userID] === null) {
-			switch ($field) {
-				case 'color':
-					$data[$user->userID] = array(1 => self::getRandomNumber(), 2 => self::getRandomNumber() * 0xFFFF);
-				break;
-			}
-			if ($data[$user->userID] !== null) static::writeUserData(array($field => $data[$user->userID]));
-			
-			return $data[$user->userID];
-		}
-		
-		if (isset(static::$serialize[$field])) return unserialize($data[$user->userID]);
-		else return $data[$user->userID];
-	}
-	
-	/**
-	 * Writes user data
-	 * 
-	 * @param	array $data
-	 * @param	\wcf\data\user\User	$user
-	 */
-	public static function writeUserData(array $data, \wcf\data\user\User $user = null) {
-		if ($user === null) $user = WCF::getUser();
-		$ush = UserStorageHandler::getInstance();
-	
-		foreach ($data as $key => $value) {
-			$ush->update($user->userID, $key, (isset(static::$serialize[$key])) ? serialize($value) : $value);
-		}
-	}
-	
 	/**
 	 * Splits a string into smaller chunks.
 	 * UTF-8 safe version of str_split().
diff --git a/install.sql b/install.sql
index 0f83a1b..36afe5b 100644
--- a/install.sql
+++ b/install.sql
@@ -54,6 +54,13 @@ CREATE TABLE chat1_suspension (
 	KEY (expires)
 );
 
+ALTER TABLE wcf1_user ADD COLUMN chatRoomID INT(10) DEFAULT NULL;
+ALTER TABLE wcf1_user ADD COLUMN chatColor1 INT(10) NOT NULL DEFAULT 0;
+ALTER TABLE wcf1_user ADD COLUMN chatColor2 INT(10) NOT NULL DEFAULT 0;
+ALTER TABLE wcf1_user ADD COLUMN chatLastActivity INT(10) NOT NULL DEFAULT 0;
+ALTER TABLE wcf1_user ADD COLUMN chatAway TEXT DEFAULT NULL;
+ALTER TABLE wcf1_user ADD COLUMN chatLastSeen INT(10) NOT NULL DEFAULT 0;
+
 ALTER TABLE chat1_message ADD FOREIGN KEY (receiver) REFERENCES wcf1_user (userID) ON DELETE CASCADE;
 ALTER TABLE chat1_message ADD FOREIGN KEY (roomID) REFERENCES chat1_room (roomID) ON DELETE CASCADE;
 ALTER TABLE chat1_message ADD FOREIGN KEY (sender) REFERENCES wcf1_user (userID) ON DELETE SET NULL;
@@ -63,6 +70,8 @@ ALTER TABLE chat1_room ADD FOREIGN KEY (owner) REFERENCES wcf1_user (userID) ON
 ALTER TABLE chat1_suspension ADD FOREIGN KEY (userID) REFERENCES wcf1_user (userID) ON DELETE CASCADE;
 ALTER TABLE chat1_suspension ADD FOREIGN KEY (roomID) REFERENCES chat1_room (roomID) ON DELETE CASCADE;
 
+ALTER TABLE wcf1_user ADD FOREIGN KEY (chatRoomID) REFERENCES chat1_room (roomID) ON DELETE SET NULL;
+
 INSERT INTO chat1_room (title, topic, showOrder) VALUES ('chat.room.title1', 'chat.room.topic1', 1);
 INSERT INTO chat1_room (title, topic, showOrder) VALUES ('Testroom 2', 'Topic of Testroom 2', 2);
 INSERT INTO chat1_room (title, topic, showOrder) VALUES ('Testroom with a very long', 'The topic of this room is rather loing as well!', 3);
diff --git a/package.xml b/package.xml
index 92bed59..8ead4ca 100644
--- a/package.xml
+++ b/package.xml
@@ -5,7 +5,7 @@
 		<packagedescription><![CDATA[Chat for WoltLab Community Framework™.]]></packagedescription>
 		<packagedescription language="de"><![CDATA[Chat für WoltLab Community Framework™.]]></packagedescription>
 		<isapplication>1</isapplication>
-		<version>3.0.0 Alpha 28</version><!-- Codename: Codenames are overrated -->
+		<version>3.0.0 Alpha 31</version><!-- Codename: Codenames are overrated -->
 		<date>2011-11-26</date>
 	</packageinformation>