diff --git a/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureModul.cs b/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureModul.cs
index febfec0f..883f763f 100644
--- a/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureModul.cs
+++ b/CampusAppWP8/CampusAppWP8/Model/Lecture/LectureModul.cs
@@ -7,6 +7,7 @@
 //----------------------------------------------------------------------
 namespace CampusAppWP8.Model.Lecture
 {
+    using CampusAppWP8.Resources;
     using System;
     using System.Xml.Serialization;
     public class LectureModul
@@ -61,7 +62,7 @@ namespace CampusAppWP8.Model.Lecture
 
         private void createUrl()
         {
-            this.url = new Uri("https://www.tu-cottbus.de/modul/" + number.ToString());
+            this.url = new Uri(Constants.UrlLectureModulBaseAddr + number.ToString());
         }
 
         #endregion