1 files changed, 4 insertions, 3 deletions
diff --git a/include/functions.inc.php b/include/functions.inc.php
index da7991855..e09c12589 100644
--- a/include/functions.inc.php
+++ b/include/functions.inc.php
@@ -1068,13 +1068,14 @@ function make_index_URL($params = array())
 {
   global $conf;
   $url = get_root_url().'category';
-  if ($conf['question_mark_in_urls'])
-  {
-  }
   if ($conf['php_extension_in_urls'])
   {
     $url .= '.php';
   }
+  if ($conf['question_mark_in_urls'])
+  {
+    $url .= '?';
+  }
   $url.= make_section_in_URL($params);
   $url = add_well_known_params_in_url($url, $params);
   return $url;