diff --git a/adminer/include/bootstrap.inc.php b/adminer/include/bootstrap.inc.php
index 76c4543f..42ff717c 100644
--- a/adminer/include/bootstrap.inc.php
+++ b/adminer/include/bootstrap.inc.php
@@ -33,7 +33,7 @@ if ($_GET["script"] == "version") {
 	exit;
 }
 
-global $adminer, $connection, $drivers, $edit_functions, $enum_length, $error, $functions, $grouping, $HTTPS, $inout, $jush, $LANG, $langs, $on_actions, $permanent, $structured_types, $has_token, $token, $translations, $types, $unsigned, $VERSION; // allows including Adminer inside a function
+global $adminer, $connection, $driver, $drivers, $edit_functions, $enum_length, $error, $functions, $grouping, $HTTPS, $inout, $jush, $LANG, $langs, $on_actions, $operators, $permanent, $structured_types, $has_token, $token, $translations, $types, $unsigned, $VERSION; // allows including Adminer inside a function
 
 if (!$_SERVER["REQUEST_URI"]) { // IIS 5 compatibility
 	$_SERVER["REQUEST_URI"] = $_SERVER["ORIG_PATH_INFO"];