diff --git a/apps/inm/serializers.py b/apps/inm/serializers.py
index 3d97cacc..9f497659 100644
--- a/apps/inm/serializers.py
+++ b/apps/inm/serializers.py
@@ -284,7 +284,7 @@ class MIOItemPurInTestSerializer(CustomModelSerializer):
     class Meta:
         model = MIOItem
         fields = ['id', 'test_date', 'test_user',
-                  'count_bag', 'count_sampling' 'weight_kgs', 'is_testok', 'test_note']
+                  'count_bag', 'count_sampling', 'weight_kgs', 'is_testok', 'test_note']
         extra_kwargs = {
             'test_date': {'required': True},
             'test_user': {'required': True}