diff --git a/mail/templates/default/app.css b/mail/templates/default/app.css
index 4d9a0fc443..540f7eece0 100644
--- a/mail/templates/default/app.css
+++ b/mail/templates/default/app.css
@@ -719,6 +719,6 @@ div.mailPreviewHeaders #mail-index_previewAttachmentArea.visible {
 	.et2_button {
 		display: none;
 	}
-	.mailCompose_emailCopy {
+	.mailCompose_copyEmail {
 	}
 }