diff --git a/mail/templates/default/app.css b/mail/templates/default/app.css
index 5a0d494ec2..3f8a595612 100644
--- a/mail/templates/default/app.css
+++ b/mail/templates/default/app.css
@@ -416,7 +416,7 @@ input[type=button] {
 	width: 16px;
 	height: 16px;
 }
-#mail-index_mailPreviewIcons {
+.mailPreviewIcons {
 	position: absolute;
 	right: 0;
 	top: 0;