diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index faca2b63..aea4fb3a 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -837,7 +837,7 @@ class MlogbwCreateUpdateSerializer(CustomModelSerializer):
         model = Mlogbw
         fields = ["id", "number", "wpr", "note", 
                   "mlogb", "ftest", "equip", "work_start_time", 
-                  "work_end_time", "mlogbw_from", "equip_name", "equip_number", "wpr_number_out"]
+                  "work_end_time", "mlogbw_from", "equip_name", "equip_number", "wpr_number_out", "mlogb__batch"]
         read_only_fields = ["mlogbw_from"]
 
     def validate(self, attrs):