diff --git a/system/Router/DefinedRouteCollector.php b/system/Router/DefinedRouteCollector.php
index 8d4f1dc5b1b7..4c9c853272ae 100644
--- a/system/Router/DefinedRouteCollector.php
+++ b/system/Router/DefinedRouteCollector.php
@@ -23,7 +23,7 @@
  */
 final class DefinedRouteCollector
 {
-    public function __construct(private readonly RouteCollection $routeCollection)
+    public function __construct(private readonly RouteCollectionInterface $routeCollection)
     {
     }