diff --git a/backend/routers/exercises.py b/backend/routers/exercises.py
index 8a67aa3..d60b169 100644
--- a/backend/routers/exercises.py
+++ b/backend/routers/exercises.py
@@ -401,7 +401,8 @@ def create_exercise(
                 body.visibility, body.status, profile_id, body.club_id,
             )
         )
-        exercise_id = cur.fetchone()[0]
+        row = cur.fetchone()
+        exercise_id = row['id'] if isinstance(row, dict) else row[0]
         conn.commit()
 
         # M:N Relations zuweisen