diff --git a/inventory/apps.py b/inventory/apps.py
index c369919..627df1a 100644
--- a/inventory/apps.py
+++ b/inventory/apps.py
@@ -3,3 +3,4 @@ from django.apps import AppConfig
 
 class InventoryConfig(AppConfig):
     name = 'inventory'
+    default_auto_field = "django.db.models.AutoField"