diff --git a/filemanager/inc/class.filemanager_ui.inc.php b/filemanager/inc/class.filemanager_ui.inc.php
index f37a2c3810..0796fcf176 100644
--- a/filemanager/inc/class.filemanager_ui.inc.php
+++ b/filemanager/inc/class.filemanager_ui.inc.php
@@ -301,7 +301,7 @@ class filemanager_ui
 	function open_mail(attachments)
 	{
 		var link = '".egw::link('/index.php',array('menuaction' => 'felamimail.uicompose.compose'))."';
-
+		var i = 0;
 		if (!(attachments instanceof Array)) attachments = [ attachments ];
 
 		for(i=0; i < attachments.length; i++)