diff --git a/htdocs/core/class/utils.class.php b/htdocs/core/class/utils.class.php
index 8ce4cca7ca6..12972a89752 100644
--- a/htdocs/core/class/utils.class.php
+++ b/htdocs/core/class/utils.class.php
@@ -586,7 +586,7 @@ class Utils
 	 */
 	function generateDoc($module)
 	{
-		global $conf, $langs;
+		global $conf, $langs, $db;
 		global $dirins;
 
 		$error = 0;