diff --git a/core/serializers.py b/core/serializers.py
index 6a2039e..0121405 100644
--- a/core/serializers.py
+++ b/core/serializers.py
@@ -85,7 +85,7 @@ class UpdateUserSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = models.CustomUser
-        fields = ('full_name', 'email')
+        fields = ('full_name', 'email', 'notify')
 
     def validate_email(self, value):
         user = self.context['request'].user
diff --git a/core/tests.py b/core/tests.py
index 2ed7ca1..f687a3d 100644
--- a/core/tests.py
+++ b/core/tests.py
@@ -169,7 +169,6 @@ class CustomUserViewSetTest(APITestCase):
         data = {
             "email": "new_email@mail.com",
             "full_name": "New Full Name",
-            'provider': 'PROVIDER',
             'notify': True,
         }
 
@@ -183,6 +182,10 @@ class CustomUserViewSetTest(APITestCase):
         # Assert forbidden code
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
+        # Assert instance has been modified
+        for key in data:
+            self.assertEqual(data[key], response.data[key])
+
     # admin user
     def test_admin_user_can_create_instance(self):
         """Admin user can create new instance