diff --git a/app/Catalog/Category/CategoryList.php b/app/Catalog/Category/CategoryList.php
index <HASH>..<HASH> 100644
--- a/app/Catalog/Category/CategoryList.php
+++ b/app/Catalog/Category/CategoryList.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Catalog\Category;
+namespace App\Catalog\Category;
 
 class CategoryList
 {
diff --git a/public/index.php b/public/index.php
index <HASH>..<HASH> 100644
--- a/public/index.php
+++ b/public/index.php
@@ -6,6 +6,6 @@ use Slim\App;
 
 $app = new App();
 
-$app->get('/shop/category/list', 'Catalog\Category\CategoryList::run');
+$app->get('/shop/category/list', 'App\Catalog\Category\CategoryList::run');
 
 $app->run();
\ No newline at end of file
Fix the namespace to include the app from the composer.json