diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index 91053683676..3d6f8580b91 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -758,6 +758,7 @@ label.error {
 }
 .openerp .filter_label.enabled, .openerp .filter_icon.enabled {
     background: #aaa;
+    filter: none;
     -moz-box-shadow: none;
     -webkit-box-shadow: none;
     -o-box-shadow: none;