diff --git a/hb_server/apps/mtm/serializers.py b/hb_server/apps/mtm/serializers.py
index ad6c0e1..8bcbd24 100644
--- a/hb_server/apps/mtm/serializers.py
+++ b/hb_server/apps/mtm/serializers.py
@@ -227,7 +227,7 @@ class RecordFormCreateSerializer(serializers.ModelSerializer):
 class RecordFormUpdateSerializer(serializers.ModelSerializer):
     class Meta:
         model = RecordForm
-        fields = ['name', 'type', 'number', 'enabled', 'export_template']
+        fields = ['name', 'type', 'number', 'enabled', 'export_template', 'material']
     
     # def validate(self, attrs):
     #     if attrs['enabled']: