diff --git a/src/server.php b/src/server.php
index 1c31bbf..001dded 100644
--- a/src/server.php
+++ b/src/server.php
@@ -118,7 +118,7 @@ $server->setHandler(
                 '/[\.]+\//',     // relative directory paths
                 '/[\/]+\//',     // remove extra slashes
             ],
-            '/',
+            DIRECTORY_SEPARATOR,
             trim(
                 $request->getPath()
             )