diff --git a/index.php b/index.php
index 5de60425..4382bd80 100644
--- a/index.php
+++ b/index.php
@@ -1858,7 +1858,7 @@ function($a, $b) { return $a['order'] - $b['order']; }
             );
 
             // TODO: do not handle exceptions/errors in JS.
-            echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=pluginsadmin\';</script>';
+            echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do='. Router::$PAGE_PLUGINSADMIN .'\';</script>';
             exit;
         }
         header('Location: ?do='. Router::$PAGE_PLUGINSADMIN);