diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index b0c8a6a1..e0fdafec 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -732,8 +732,8 @@ class MlogbwCreateUpdateSerializer(CustomModelSerializer):
     ftest = FtestProcessSerializer(required=False)
     class Meta:
         model = Mlogbw
-        fields = ["id", "number", "wpr", "note", "mlogb", "ftest", "equip", "work_start_time", "work_end_time", "mlogb_from", "mlogbw_from"]
-        read_only_fields = ["mlogb_from", "mlogbw_from"]
+        fields = ["id", "number", "wpr", "note", "mlogb", "ftest", "equip", "work_start_time", "work_end_time", "mlogbw_from"]
+        read_only_fields = ["mlogbw_from"]
 
     def validate(self, attrs):
         mlogb:Mlogb = attrs["mlogb"]