diff --git a/apps/perms/api/asset_permission.py b/apps/perms/api/asset_permission.py
index 7f87ea768..078c7a3e8 100644
--- a/apps/perms/api/asset_permission.py
+++ b/apps/perms/api/asset_permission.py
@@ -163,6 +163,7 @@ class AssetPermissionViewSet(viewsets.ModelViewSet):
         queryset = self.filter_node(queryset)
         queryset = self.filter_system_user(queryset)
         queryset = self.filter_user_group(queryset)
+        queryset = queryset.distinct()
         return queryset
 
     def get_queryset(self):