diff --git management/univention-management-console/www/management/main.js management/univention-management-console/www/management/main.js
index 426615a224..4814fd733a 100644
--- management/univention-management-console/www/management/main.js
+++ management/univention-management-console/www/management/main.js
@@ -1381,7 +1381,7 @@ define([
 				var mainParts = allParts.splice(0, 3);
 				return {
 					id: mainParts[0],
-					flavor: mainParts[1] || undefined,
+					flavor: ((mainParts[1] === 'undefined') ? undefined : mainParts[1] ) || undefined,
 					index: mainParts[2] || 0,
 					moduleState: allParts.join(':')
 				};