diff --git a/addons/web/static/src/legacy/scss/navbar.scss b/addons/web/static/src/legacy/scss/navbar.scss
index 2a41aac546e..b946ef19d76 100644
--- a/addons/web/static/src/legacy/scss/navbar.scss
+++ b/addons/web/static/src/legacy/scss/navbar.scss
@@ -93,7 +93,7 @@
     }
   }
 
-  ul.o_dropdown_menu {
+  .o_dropdown .o_dropdown_menu, .dropdown-menu {
     margin-top: 0;
     border-top: 0;
     @include border-top-radius(0);