diff --git a/libraries/src/Router/SiteRouter.php b/libraries/src/Router/SiteRouter.php
index 306e723bd6d87..a7ae44b4ac1db 100644
--- a/libraries/src/Router/SiteRouter.php
+++ b/libraries/src/Router/SiteRouter.php
@@ -193,7 +193,7 @@ public function parseFormat(&$router, &$uri)
      */
     public function parseSefRoute(&$router, &$uri)
     {
-        $route = $uri->getPath();
+        $route = strtolower($uri->getPath());
 
         // If the URL is empty, we handle this in the non-SEF parse URL
         if (empty($route)) {