diff --git a/include/renderer.php b/include/renderer.php
index 460de41..459e1c9 100644
--- a/include/renderer.php
+++ b/include/renderer.php
@@ -590,8 +590,8 @@ queryend;
     
     protected function sortUserList($userList): array {
         usort($userList, function($a, $b) {
-            $nameComparison = stricmp($a['last_name'], $b['last_name']);
-            return ($nameComparison !== 0) ? $nameComparison : stricmp($a['first_name'], $b['first_name']);
+            $nameComparison = strcasecmp($a['last_name'], $b['last_name']);
+            return ($nameComparison !== 0) ? $nameComparison : strcasecmp($a['first_name'], $b['first_name']);
         });        
         return $userList;
     }