diff --git a/netbox/extras/tests/test_api.py b/netbox/extras/tests/test_api.py
index b959587ce..c269f877e 100644
--- a/netbox/extras/tests/test_api.py
+++ b/netbox/extras/tests/test_api.py
@@ -106,6 +106,11 @@ class CustomFieldTest(APIViewTestCases.APIViewTestCase):
     bulk_update_data = {
         'description': 'New description',
     }
+    update_data = {
+        'content_types': ['dcim.device'],
+        'name': 'New_Name',
+        'description': 'New description',
+    }
 
     @classmethod
     def setUpTestData(cls):