diff --git a/file/lib/data/chat/room/ChatRoom.class.php b/file/lib/data/chat/room/ChatRoom.class.php
index 578c566..1d2d831 100644
--- a/file/lib/data/chat/room/ChatRoom.class.php
+++ b/file/lib/data/chat/room/ChatRoom.class.php
@@ -37,6 +37,29 @@ public function __toString() {
 		return $this->getTitle();
 	}
 	
+	
+	/**
+	 * Returns whether the user is allowed to enter the room.
+	 *
+	 * @return	boolean
+	 */
+	public function canEnter() {
+		$ph = \wcf\system\chat\permission\ChatPermissionHandler::getInstance();
+		
+		return $ph->getPermission($this, 'user.canEnter') || $ph->getPermission($this, 'mod.canAlwaysEnter');
+	}
+	
+	/**
+	 * Returns whether the user is allowed to write messages in this room.
+	 *
+	 * @return	boolean
+	 */
+	public function canWrite() {
+		$ph = \wcf\system\chat\permission\ChatPermissionHandler::getInstance();
+		
+		return $ph->getPermission($this, 'user.canWrite') || $ph->getPermission($this, 'mod.canAlwaysWrite');
+	}
+	
 	/**
 	 * Returns the number of users currently active in this room.
 	 * 
@@ -136,15 +159,4 @@ public function getUsers() {
 		
 		return $stmt->fetchObjects('\wcf\data\user\User');
 	}
-	
-	/**
-	 * Returns whether the user is allowed to enter the room
-	 *
-	 * @return	boolean
-	 */
-	public function canEnter() {
-		$ph = \wcf\system\chat\permission\ChatPermissionHandler::getInstance();
-		
-		return $ph->getPermission($this, 'user.canEnter') || $ph->getPermission($this, 'mod.canAlwaysEnter');
-	}
 }
diff --git a/file/lib/form/ChatForm.class.php b/file/lib/form/ChatForm.class.php
index 2666574..cedde00 100644
--- a/file/lib/form/ChatForm.class.php
+++ b/file/lib/form/ChatForm.class.php
@@ -38,7 +38,7 @@ public function readData() {
 		$this->room = chat\room\ChatRoom::getCache()->search($this->userData['roomID']);
 		if (!$this->room) throw new \wcf\system\exception\IllegalLinkException();
 		if (!$this->room->canEnter()) throw new \wcf\system\exception\PermissionDeniedException();
-		
+		if (!$this->room->canWrite()) throw new \wcf\system\exception\PermissionDeniedException();
 		parent::readData();
 	}