diff --git a/extensions/tags/bootstrap.php b/extensions/tags/bootstrap.php
index 19039db79..72ad85c3d 100644
--- a/extensions/tags/bootstrap.php
+++ b/extensions/tags/bootstrap.php
@@ -6,4 +6,4 @@ require 'vendor/autoload.php';
 
 // Register our service provider with the Flarum application. In here we can
 // register bindings and execute code when the application boots.
-$app->register('Flarum\Categories\CategoriesServiceProvider');
+return $app->register('Flarum\Categories\CategoriesServiceProvider');