diff --git a/packages/backend/src/controllers/api/v1/installation/users/create-user.js b/packages/backend/src/controllers/api/v1/installation/users/create-user.js
index 0e7d05c7..84172310 100644
--- a/packages/backend/src/controllers/api/v1/installation/users/create-user.js
+++ b/packages/backend/src/controllers/api/v1/installation/users/create-user.js
@@ -1,12 +1,9 @@
 import User from '../../../../../models/user.js';
-import Config from '../../../../../models/config.js';
 
 export default async (request, response) => {
   const { email, password, fullName } = request.body;
 
   await User.createAdmin({ email, password, fullName });
 
-  await Config.markInstallationCompleted();
-
   response.status(204).end();
 };
diff --git a/packages/backend/src/models/user.js b/packages/backend/src/models/user.js
index 1abbde14..c3900b4f 100644
--- a/packages/backend/src/models/user.js
+++ b/packages/backend/src/models/user.js
@@ -10,6 +10,7 @@ import Base from './base.js';
 import App from './app.js';
 import AccessToken from './access-token.js';
 import Connection from './connection.js';
+import Config from './config.js';
 import Execution from './execution.js';
 import Flow from './flow.js';
 import Identity from './identity.ee.js';
@@ -383,6 +384,8 @@ class User extends Base {
       roleId: adminRole.id
     });
 
+    await Config.markInstallationCompleted();
+
     return adminUser;
   }