diff --git a/file/lib/util/ChatUtil.class.php b/file/lib/util/ChatUtil.class.php
index e06d952..e2e715a 100644
--- a/file/lib/util/ChatUtil.class.php
+++ b/file/lib/util/ChatUtil.class.php
@@ -71,6 +71,8 @@ public static function readUserData($field) {
 				break;
 			}
 			static::writeUserData(array($field => $data[WCF::getUser()->userID]));
+			
+			return $data[WCF::getUser()->userID];
 		}
 		
 		if (isset(static::$serialize[$field])) return unserialize($data[WCF::getUser()->userID]);