diff --git a/routes/web.php b/routes/web.php
index 483cd079579e33514f0acb35c8a8b05c4f8207ea..edc101c0a2262718362e14fef93bef9a56cd150b 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -243,6 +243,6 @@ Route::group(
             $result = $renderer->render($registry->getMetricFamilySamples());
 
             return response($result, 200)
-                ->header('Content-Type', \RenderTextFormat::MIME_TYPE);
+                ->header('Content-Type', RenderTextFormat::MIME_TYPE);
         });
     });