diff --git a/apps/product/web/api/v1/viewsets/quota_distribution_api.py b/apps/product/web/api/v1/viewsets/quota_distribution_api.py
index 7341f80..7f2ed27 100644
--- a/apps/product/web/api/v1/viewsets/quota_distribution_api.py
+++ b/apps/product/web/api/v1/viewsets/quota_distribution_api.py
@@ -156,7 +156,9 @@ class QuotaDistributionViewSet(SoftDeleteMixin, viewsets.ModelViewSet, DynamicSe
         quota_distribution = self.get_object()
 
         # check if distribution has inventory entry
-        if quota_distribution.inventory_entry.exists() and quota_distribution.parent_distribution is not None:
+        if quota_distribution.inventory_entry.exists() or self.queryset.filter(
+                parent_distribution=quota_distribution.id
+        ):
             raise APIException(
                 "امکان حذف این توزیع وجود ندارد. ورود به انبار یا توزیعی برای آن ثبت شده است",  # noqa
                 status.HTTP_400_BAD_REQUEST