diff --git a/htdocs/always.php b/htdocs/always.php
index 984cc403..83bbfd7d 100644
--- a/htdocs/always.php
+++ b/htdocs/always.php
@@ -44,7 +44,9 @@ function clean_get() {
 // relies on variables that are easily manipulated by the user. These lines and functions filter all those variables.
 if(isset($_POST)) array_walk($_POST, 'filter_post');
 $_GET = clean_get();
-$_SERVER['REQUEST_URI'] = str_replace("&", "&", htmlspecialchars($_SERVER['REQUEST_URI']));
+if (isset($_SERVER['REQUEST_URI'])) {
+    $_SERVER['REQUEST_URI'] = str_replace("&", "&", htmlspecialchars($_SERVER['REQUEST_URI']));
+}
 if (isset($_SERVER['HTTP_REFERER'])) {
     $_SERVER['HTTP_REFERER'] = htmlspecialchars(@$_SERVER['HTTP_REFERER']);
 }