diff --git a/lib/models/StatusgruppeUser.php b/lib/models/StatusgruppeUser.php
index 3cd67f0bf88642dc6c6ed761f339d54b98be6f6b..44fda262672ec805821cc2bddad4a1cac7f717d3 100644
--- a/lib/models/StatusgruppeUser.php
+++ b/lib/models/StatusgruppeUser.php
@@ -68,7 +68,7 @@ class StatusgruppeUser extends SimpleORMap implements PrivacyObject
      * @param Contact $contact
      * @return StatusgruppeUser[]
      */
-    public function findByContact(Contact $contact)
+    public static function findByContact(Contact $contact)
     {
         return self::findBySQL("INNER JOIN `statusgruppen` USING(`statusgruppe_id`) WHERE `statusgruppen`.`range_id` = ? AND `statusgruppe_user`.`user_id` = ?", [$contact->owner_id, $contact->user_id]);
     }