diff --git a/src/EventSubscriber/CustomElementsViewSubscriber.php b/src/EventSubscriber/CustomElementsViewSubscriber.php
index d4b26da..6eca820 100644
--- a/src/EventSubscriber/CustomElementsViewSubscriber.php
+++ b/src/EventSubscriber/CustomElementsViewSubscriber.php
@@ -87,7 +87,7 @@ class CustomElementsViewSubscriber implements EventSubscriberInterface {
       // backend. That way users accessing routes like /admin or node/x/edit
       // become redirected to the working backend routes, when logged-in.
       $event->setResponse(new TrustedRedirectResponse(
-        Url::fromUserInput('/' . $request->getRequestUri(), ['absolute' => TRUE])->toString()
+        Url::fromUserInput($request->getRequestUri(), ['absolute' => TRUE])->toString()
       ));
       // In RedirectResponseSubscriber destination query parameter overrides
       // the url redirect target. For admin pages these redirects are not
