diff --git a/backend/migrations/20240312130200_clean_admin_instance_username.down.sql b/backend/migrations/20240312130200_clean_admin_instance_username.down.sql
new file mode 100644
index 0000000000..d2f607c5b8
--- /dev/null
+++ b/backend/migrations/20240312130200_clean_admin_instance_username.down.sql
@@ -0,0 +1 @@
+-- Add down migration script here
diff --git a/backend/migrations/20240312130200_clean_admin_instance_username.up.sql b/backend/migrations/20240312130200_clean_admin_instance_username.up.sql
new file mode 100644
index 0000000000..1487fd79c9
--- /dev/null
+++ b/backend/migrations/20240312130200_clean_admin_instance_username.up.sql
@@ -0,0 +1,3 @@
+-- Add up migration script here
+UPDATE password SET username = NULL WHERE email = 'admin@windmill.dev'
+AND (SELECT value FROM global_settings WHERE name = 'automate_username_creation') IS DISTINCT FROM 'true';
\ No newline at end of file