diff --git a/backend/time_tracking/views.py b/backend/time_tracking/views.py
index 684b146..71d051c 100644
--- a/backend/time_tracking/views.py
+++ b/backend/time_tracking/views.py
@@ -146,6 +146,7 @@ class TimeEntryScanView(APIView):
 class TimeEntryDetailView(generics.RetrieveUpdateDestroyAPIView):
     serializer_class = TimeEntrySerializer
     permission_classes = [IsAuthenticated]
+    lookup_url_kwarg = 'entry_id'
 
     def get_queryset(self):
         user = self.request.user
diff --git a/frontend/src/api/time.js b/frontend/src/api/time.js
index a77e789..cc6f1a0 100644
--- a/frontend/src/api/time.js
+++ b/frontend/src/api/time.js
@@ -59,7 +59,7 @@ export const timeApi = {
       const response = await api.delete(`/time/entries/${id}/`);
       return response.data;
     } catch (error) {
-      throw new Error('Failed to delete time entry: ' + error.message);
+      throw new Error(error.response?.data?.detail || `Erreur lors de la suppression: ${error.message}`);
     }
   },