diff --git a/database/factories/UserFactory.php b/database/factories/UserFactory.php
index c8fe69e0d..cb1ccd89b 100644
--- a/database/factories/UserFactory.php
+++ b/database/factories/UserFactory.php
@@ -27,7 +27,7 @@ class UserFactory extends Factory
             'first_name' => $this->faker->firstName(),
             'jobtitle' => $this->faker->jobTitle(),
             'last_name' => $this->faker->lastName(),
-            'locale' => 'en',
+            'locale' => 'en-US',
             'notes' => 'Created by DB seeder',
             'password' => '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password
             'permissions' => '{}',