diff --git a/file/lib/system/chat/permission/ChatPermissionHandler.class.php b/file/lib/system/chat/permission/ChatPermissionHandler.class.php
index fa26ef3..4691c5c 100644
--- a/file/lib/system/chat/permission/ChatPermissionHandler.class.php
+++ b/file/lib/system/chat/permission/ChatPermissionHandler.class.php
@@ -89,7 +89,7 @@ protected function init() {
 	public function getPermission(\wcf\data\chat\room\ChatRoom $room, $permission) {
 		if (!isset($this->chatPermissions[$room->roomID][$permission])) {
 			$permission = str_replace(array('user.', 'mod.'), array('user.chat.', 'mod.chat.'), $permission);
-			return WCF::getUser()->getPermission($permission);
+			return WCF::getSession()->getPermission($permission);
 		}
 		return (boolean) $this->chatPermissions[$room->roomID][$permission];
 	}