diff --git a/docker-app/qfieldcloud/core/models.py b/docker-app/qfieldcloud/core/models.py
index 80594c1d5..b5064e60e 100644
--- a/docker-app/qfieldcloud/core/models.py
+++ b/docker-app/qfieldcloud/core/models.py
@@ -724,8 +724,8 @@ def active_users_jobs_deltas_count(
             user.deltas_count = (
                 deltas_created.filter(created_by=user)
                 .values_list("deltas_count", flat=True)
-                .first() or 0
-
+                .first()
+                or 0
             )
 
         return sorted(
diff --git a/docker-app/qfieldcloud/core/tests/test_organization.py b/docker-app/qfieldcloud/core/tests/test_organization.py
index b1aaa7dfc..12a686366 100644
--- a/docker-app/qfieldcloud/core/tests/test_organization.py
+++ b/docker-app/qfieldcloud/core/tests/test_organization.py
@@ -359,7 +359,7 @@ def _active_users_jobs_deltas_count(base_date=None):
 
         # Report at a different time is empty
         self.assertEqual(
-            _active_users_jobs_deltas_count(now() + timedelta(days=365)), 0
+            _active_users_jobs_deltas_count(now() + timedelta(days=365)), []
         )
 
         # User 3 creates a job