diff --git a/restservice/src/main/java/com/plannaplan/controllers/AssignmentsController.java b/restservice/src/main/java/com/plannaplan/controllers/AssignmentsController.java
index 5265287..63646bf 100755
--- a/restservice/src/main/java/com/plannaplan/controllers/AssignmentsController.java
+++ b/restservice/src/main/java/com/plannaplan/controllers/AssignmentsController.java
@@ -48,7 +48,6 @@ public class AssignmentsController extends TokenBasedController {
                 elem.put("id", a.getId());
                 Groups g = a.getGroup();
                 groupInfo.put("id", g.getId());
-                groupInfo.put("id", g.getId());
                 groupInfo.put("day", g.getDay().label);
                 groupInfo.put("time", g.getTimeString());
                 groupInfo.put("lecturer", g.getLecturer().toString());