diff --git a/restservice/src/main/java/com/plannaplan/controllers/ExchangeController.java b/restservice/src/main/java/com/plannaplan/controllers/ExchangeController.java
index 85baa1c..82b69d3 100755
--- a/restservice/src/main/java/com/plannaplan/controllers/ExchangeController.java
+++ b/restservice/src/main/java/com/plannaplan/controllers/ExchangeController.java
@@ -90,6 +90,8 @@ public class ExchangeController extends TokenBasedController {
 
         if (assignmentInstance.getGroup().getCourseId() != null
                 && ! assignmentInstance.getGroup().getCourseId().getId().equals(groupInstance.getCourseId().getId())) {
+            System.out.println(assignmentInstance.getGroup().getCourseId().getId());
+            System.out.println(groupInstance.getCourseId().getId()));
             return new ResponseEntity<>("You can performe exchange only within one course.", HttpStatus.BAD_REQUEST);
         }