diff --git a/apps/cm/views.py b/apps/cm/views.py
index ead69c7e..81020f77 100644
--- a/apps/cm/views.py
+++ b/apps/cm/views.py
@@ -30,4 +30,4 @@ class LableMatViewSet(CustomGenericViewSet):
                 "supplier": mb.supplier
             }
             )
-        return Response({"label": f"mat-{obj.id}"})
\ No newline at end of file
+        return Response({"label": f"mat:{obj.id}"})
\ No newline at end of file