diff --git a/netbox/dcim/tests/test_apis.py b/netbox/dcim/tests/test_apis.py
index 0739b86ce..0f7d1bbe3 100644
--- a/netbox/dcim/tests/test_apis.py
+++ b/netbox/dcim/tests/test_apis.py
@@ -239,6 +239,7 @@ class DeviceTypeTest(APITestCase):
         'subdevice_role',
         'comments',
         'custom_fields',
+        'instance_count',
     ]
 
     nested_fields = [