diff --git a/apps/qm/serializers.py b/apps/qm/serializers.py
index ab7b8fc4..3d99cf5f 100644
--- a/apps/qm/serializers.py
+++ b/apps/qm/serializers.py
@@ -95,7 +95,7 @@ class FtestSerializer(CustomModelSerializer):
     class Meta:
         model = Ftest
         fields = '__all__'
-        read_only_fields = EXCLUDE_FIELDS + ['type']
+        read_only_fields = EXCLUDE_FIELDS
 
     def validate(self, attrs):
         ftest_work = attrs.get('ftest_work', None)