diff --git a/server/vbv_lernwelt/dashboard/views.py b/server/vbv_lernwelt/dashboard/views.py
index bb05a202..2e1eb012 100644
--- a/server/vbv_lernwelt/dashboard/views.py
+++ b/server/vbv_lernwelt/dashboard/views.py
@@ -511,10 +511,18 @@ def _get_mentor_open_tasks_count(course_id: str, mentor: User) -> int:
             assignment_user__coursesessionuser__participants__mentor=mentor,
         ).count()
 
-        open_feedback_count = SelfEvaluationFeedback.objects.filter(
+        open_feedback_qs = SelfEvaluationFeedback.objects.filter(
             feedback_provider_user=mentor,  # noqa
             feedback_requester_user__coursesessionuser__participants__mentor=mentor,
             feedback_submitted=False,
-        ).count()
+        )
+        # filter open feedbacks for course_id (-> not possible with queryset)
+        open_feedback_count = len(
+            [
+                feedback_entry
+                for feedback_entry in open_feedback_qs
+                if str(feedback_entry.learning_unit.get_course().id) == course_id
+            ]
+        )
 
     return open_assigment_count + open_feedback_count