diff --git a/src/routes.php b/src/routes.php
index 58ad631..f63bfc4 100644
--- a/src/routes.php
+++ b/src/routes.php
@@ -13,5 +13,5 @@
 $middleware = config('prometheus.metrics_route_middleware');
 
 if ($middleware) {
-    $route->middleware($middleware);
+    $route->middleware(explode(',', $middleware));
 }