diff --git a/client/ayon_core/tools/push_to_project/models/integrate.py b/client/ayon_core/tools/push_to_project/models/integrate.py
index 73a00a5cd9..197cefe819 100644
--- a/client/ayon_core/tools/push_to_project/models/integrate.py
+++ b/client/ayon_core/tools/push_to_project/models/integrate.py
@@ -1164,7 +1164,7 @@ class ProjectPushItemProcess:
             thumbnail_id
         )
         if not path:
-            return
+            return None
         return ayon_api.create_thumbnail(
             self._item.dst_project_name,
             path