diff --git a/acptemplate/chatRoomList.tpl b/acptemplate/chatRoomList.tpl
index 2a1582f..7e4ca7e 100644
--- a/acptemplate/chatRoomList.tpl
+++ b/acptemplate/chatRoomList.tpl
@@ -4,7 +4,7 @@
 	//<![CDATA[
 	$(function() {
 		new WCF.Action.Delete('\\wcf\\data\\chat\\room\\ChatRoomAction', $('.chatRoomRow'));
-		new WCF.Sortable.List('chatRoomList', '\\wcf\\data\\chat\\room\\ChatRoomAction');
+		new WCF.Sortable.List('chatRoomList', '\\wcf\\data\\chat\\room\\ChatRoomAction', {@$startIndex-1});
 	});
 	//]]>
 </script>
@@ -30,7 +30,7 @@
 
 <section id="chatRoomList" class="wcf-box wcf-marginTop wcf-boxPadding wcf-shadow1 wcf-sortableListContainer">
 	{hascontent}
-	<ol class="wcf-sortableList" data-object-id="0">
+	<ol class="wcf-sortableList" data-object-id="0" start="{$startIndex}">
 		{content}
 			{foreach from=$objects item=chatRoom}
 				<li class="wcf-sortableNode wcf-sortableNoNesting chatRoomRow" data-object-id="{@$chatRoom->roomID}">
diff --git a/file/lib/data/chat/room/ChatRoomAction.class.php b/file/lib/data/chat/room/ChatRoomAction.class.php
index 4ebdacc..c1b5b92 100644
--- a/file/lib/data/chat/room/ChatRoomAction.class.php
+++ b/file/lib/data/chat/room/ChatRoomAction.class.php
@@ -71,6 +71,8 @@ public function validateUpdatePosition() {
 		if (!isset($this->parameters['data']['structure'])) {
 			throw new ValidateActionException('Missing parameter structure');
 		}
+		
+		if (!isset($this->parameters['data']['offset'])) $this->parameters['data']['offset'] = 0;
 	}
 	
 	/**
@@ -82,7 +84,7 @@ public function updatePosition() {
 		$roomList->sqlLimit = 0;
 		$roomList->readObjects();
 		
-		$i = 0;
+		$i = $this->parameters['data']['offset'];
 		WCF::getDB()->beginTransaction();
 		foreach ($this->parameters['data']['structure'][0] as $roomID) {
 			$room = $roomList->search($roomID);