diff --git a/restservice/src/main/java/com/plannaplan/controllers/GroupController.java b/restservice/src/main/java/com/plannaplan/controllers/GroupController.java
index 6d10216..e8e592a 100644
--- a/restservice/src/main/java/com/plannaplan/controllers/GroupController.java
+++ b/restservice/src/main/java/com/plannaplan/controllers/GroupController.java
@@ -23,10 +23,11 @@ public class GroupController {
     private GroupService groupService;
 
     @GetMapping("/getCourseGroups")
-    public ResponseEntity<List<Dictionary<String, Object>>> getCourses(@RequestParam("id") Long id) {
+    public ResponseEntity<List<Dictionary<String, Object>>> getCourses(@RequestParam("id") Long id, @RequestParam(name="capacity", defaultValue="true") Boolean capacity){
         List<Groups> groups = this.groupService.getGroupsByCourse(id);
         List<Dictionary<String, Object>> response = new ArrayList<>();
 
+
         for (Groups g : groups) {
             Dictionary<String, Object> group = new Hashtable<>();
             group.put("id", g.getId());
@@ -34,7 +35,9 @@ public class GroupController {
             group.put("time", g.getTimeString());
             group.put("lecturer", g.getLecturer().toString());
             group.put("room", g.getRoom());
-            group.put("capacity", g.getCapacity());
+            if (capacity) {
+                group.put("capacity", g.getCapacity());
+            } 
             group.put("type", g.getType());
 
             response.add(group);