diff --git a/pgweb/account/migrations/0004_cauth_last_login.py b/pgweb/account/migrations/0004_cauth_last_login.py
index 8dba3b9e..bb77c8c1 100644
--- a/pgweb/account/migrations/0004_cauth_last_login.py
+++ b/pgweb/account/migrations/0004_cauth_last_login.py
@@ -13,7 +13,7 @@ class Migration(migrations.Migration):
 
     operations = [
         migrations.RunSQL("""CREATE TABLE account_communityauthlastlogin (
-   user_id int NOT NULL REFERENCES auth_user(id) DEFERRABLE INITIALLY DEFERRED,
+   user_id int NOT NULL REFERENCES auth_user(id) DEFERRABLE INITIALLY DEFERRED ON DELETE CASCADE,
    site_id int NOT NULL REFERENCES account_communityauthsite (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
    lastlogin timestamptz NOT NULL,
    logincount bigint NOT NULL,