1 files changed, 1 insertions, 1 deletions

diff --git a/lib/style.php b/lib/style.php
index b1dcd31..8696156 100644
--- a/lib/style.php
+++ b/lib/style.php
@@ -370,7 +370,7 @@ function print_listing($list, $print_order_links, $list_content_type) {
           str_replace(
             "&sort=" . $_GET["sort"] . "&",
             "&",
-            "&" . $_SERVER["QUERY_STRING"] . "&"
+            "&" . $_SERVER['QUERY_STRING'] . "&"
           ),
         1) . "sort=";
       if ($_GET["sort"] == $get)