diff --git a/apps/mtm/serializers.py b/apps/mtm/serializers.py
index a26fb98a..0af18d05 100644
--- a/apps/mtm/serializers.py
+++ b/apps/mtm/serializers.py
@@ -181,6 +181,10 @@ class RouteSerializer(CustomModelSerializer):
         material_out = Material.objects.get_queryset(all=True).filter(type=Material.MA_TYPE_HALFGOOD, parent=material, process=process).first()
         if material_out:
             material_out.is_deleted = False
+            if material_out.parent == material:
+                material_out.name = material.name
+                material_out.model = material.model
+                material_out.specification = material.specification
             material_out.save()
             instance.material_out = material_out
             instance.save()
@@ -188,6 +192,8 @@ class RouteSerializer(CustomModelSerializer):
         material_out = Material.objects.get_queryset(all=True).filter(name=material.name, model=material.model, process=process, specification=material.specification).first()
         if material_out:
             material_out.is_deleted = False
+            if material_out.parent is None:
+                material_out.parent = material
             material_out.save()
             instance.material_out = material_out
             instance.save()