diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index 09cf01f840e..82068b15fc7 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -3025,6 +3025,7 @@ div.ui-widget-overlay {
     margin-bottom: 15px;
     margin-left: 5px;
     position: relative;
+    z-index: 10;
 }
 .resolution .res {
     display: table;