diff --git a/api/templates/default/images/dhtmlxtree/MailFolderClosed.svg b/api/templates/default/images/dhtmlxtree/MailFolderClosed.svg
index aa2716b9ad..d25ebbd3d1 100644
--- a/api/templates/default/images/dhtmlxtree/MailFolderClosed.svg
+++ b/api/templates/default/images/dhtmlxtree/MailFolderClosed.svg
@@ -1,4 +1,5 @@
-