diff --git a/server_links.inc.php3 b/server_links.inc.php3
index 21542d3fb..b635d95dc 100644
--- a/server_links.inc.php3
+++ b/server_links.inc.php3
@@ -2,6 +2,12 @@
 /* $Id$ */
 // vim: expandtab sw=4 ts=4 sts=4:
 
+// Check parameters
+
+if (!defined('PMA_COMMON_LIB_INCLUDED')) {
+    include('./libraries/common.lib.php3');
+}
+PMA_checkParameters(array('is_superuser', 'url_query'));
 
 /**
  * Counts amount of navigation tabs