diff --git a/mod/toggle_mobile.php b/mod/toggle_mobile.php
index 388c40891a..2821e0a646 100644
--- a/mod/toggle_mobile.php
+++ b/mod/toggle_mobile.php
@@ -17,5 +17,5 @@ function toggle_mobile_init(App $a) {
 		$address = '';
 	}
 
-	System::externalRedirect($address);
+	$a->redirect($address);
 }