diff --git a/apps/mtm/views.py b/apps/mtm/views.py
index ec7c93e7..e958e01b 100644
--- a/apps/mtm/views.py
+++ b/apps/mtm/views.py
@@ -62,8 +62,8 @@ class MaterialViewSet(CustomModelViewSet):
                     output_field=DecimalField()
                 )
             )
-
-
+        return qs
+    
     def perform_destroy(self, instance):
         from apps.inm.models import MaterialBatch
         if MaterialBatch.objects.filter(material=instance).exists():