diff --git a/www/register/main.js b/www/register/main.js
index 6c8891d2a..6bd299188 100644
--- a/www/register/main.js
+++ b/www/register/main.js
@@ -121,7 +121,7 @@ define([
             }
 
             setTimeout(function () {
-            Cryptpad.confirm("<h2 class='bright'>" + Messages.register_warning + "</h2>",
+            Cryptpad.confirm("<h2 class='bright msg'>" + Messages.register_warning + "</h2>",
             function (yes) {
                 if (!yes) { return; }