diff --git a/api/app/Http/Controllers/Content/FeatureFlagsController.php b/api/app/Http/Controllers/Content/FeatureFlagsController.php
index 8ff99de4..711c40b6 100644
--- a/api/app/Http/Controllers/Content/FeatureFlagsController.php
+++ b/api/app/Http/Controllers/Content/FeatureFlagsController.php
@@ -11,7 +11,7 @@ class FeatureFlagsController extends Controller
         $featureFlags = \Cache::remember('feature_flags', 3600, function () {
             return [
                 'self_hosted' => config('app.self_hosted', true),
-                'custom_domains' => config('custom_domains.enabled', false),
+                'custom_domains' => config('custom-domains.enabled', false),
                 'ai_features' => !empty(config('services.openai.api_key')),
 
                 'billing' => [
diff --git a/api/tests/Feature/FeatureFlagsControllerTest.php b/api/tests/Feature/FeatureFlagsControllerTest.php
index b7385a47..adf289b0 100644
--- a/api/tests/Feature/FeatureFlagsControllerTest.php
+++ b/api/tests/Feature/FeatureFlagsControllerTest.php
@@ -7,7 +7,7 @@ use Illuminate\Support\Facades\Config;
 it('returns feature flags', function () {
     // Arrange
     Config::set('app.self_hosted', false);
-    Config::set('custom_domains.enabled', true);
+    Config::set('custom-domains.enabled', true);
     Config::set('cashier.key', 'stripe_key');
     Config::set('cashier.secret', 'stripe_secret');
     Config::set('services.appsumo.api_key', 'appsumo_key');