diff --git a/addons/web/static/src/img/throbber2.gif b/addons/web/static/src/img/throbber2.gif
index 5d2057ae0e7..2fd8e0737ed 100644
Binary files a/addons/web/static/src/img/throbber2.gif and b/addons/web/static/src/img/throbber2.gif differ
diff --git a/addons/web/static/src/js/coresetup.js b/addons/web/static/src/js/coresetup.js
index a5a62b9bcc1..801ce50bc2d 100644
--- a/addons/web/static/src/js/coresetup.js
+++ b/addons/web/static/src/js/coresetup.js
@@ -551,6 +551,8 @@ $.async_when = function() {
 if ($.blockUI) {
     $.blockUI.defaults.baseZ = 1100;
     $.blockUI.defaults.message = '<img src="/web/static/src/img/throbber2.gif">';
+    $.blockUI.defaults.css.border = '0';
+    $.blockUI.defaults.css["background-color"] = '';
 }
 
 /** Setup default session */