diff --git a/addons/web/static/src/js/chrome.js b/addons/web/static/src/js/chrome.js
index 1eb61f6a0ce..2a470098c39 100644
--- a/addons/web/static/src/js/chrome.js
+++ b/addons/web/static/src/js/chrome.js
@@ -621,6 +621,7 @@ openerp.web.Login =  openerp.web.OldWidget.extend(/** @lends openerp.web.Login#
      */
     do_login: function (db, login, password) {
         var self = this;
+        this.$element.removeClass('login_invalid');
         this.session.on_session_invalid.add({
             callback: function () {
                 self.$element.addClass("login_invalid");