diff --git a/server/vbv_lernwelt/dashboard/graphql/types/competence.py b/server/vbv_lernwelt/dashboard/graphql/types/competence.py
index 83ac2df1..295485c8 100644
--- a/server/vbv_lernwelt/dashboard/graphql/types/competence.py
+++ b/server/vbv_lernwelt/dashboard/graphql/types/competence.py
@@ -57,24 +57,27 @@ def competences(
         learning_unit = learning_units.get(completion.page.id)
         circle = circles.get(learning_unit.id)
 
-        competence_records.setdefault(circle.id, {}).setdefault(
+        combined_id = f"{circle.id}-{completion.course_session.id}"
+
+        competence_records.setdefault(combined_id, {}).setdefault(
             learning_unit,
             CompetenceRecordStatisticsType(
-                _id=circle.id,  # noqa
+                _id=combined_id,  # noqa
                 title=learning_unit.title,  # noqa
                 course_session_id=completion.course_session.id,  # noqa
                 generation=completion.course_session.generation,  # noqa
                 circle_id=circle.id,  # noqa
                 success_count=0,  # noqa
                 fail_count=0,  # noqa
-                details_url=f"/course/{course_slug}/cockpit?courseSessionId={completion.course_session.id}",  # noqa
+                details_url=f"/course/{course_slug}/cockpit?courseSessionId={completion.course_session.id}",
+                # noqa
             ),
         )
 
         if completion.completion_status == CourseCompletionStatus.SUCCESS.value:
-            competence_records[circle.id][learning_unit].success_count += 1
+            competence_records[combined_id][learning_unit].success_count += 1
         elif completion.completion_status == CourseCompletionStatus.FAIL.value:
-            competence_records[circle.id][learning_unit].fail_count += 1
+            competence_records[combined_id][learning_unit].fail_count += 1
 
     values = [
         record