diff --git a/config/routes.yaml b/config/routes.yaml
index 1c98148..8008419 100644
--- a/config/routes.yaml
+++ b/config/routes.yaml
@@ -2,4 +2,6 @@ default:
   path: '/{page}'
   defaults:
     _controller: JeroenED\Website\Controller\DefaultController::DefaultAction
-    page: 'index'
\ No newline at end of file
+    page: 'index'
+  requirements:
+    page: "[a-zA-Z0-9\/]+"
\ No newline at end of file