diff --git a/addons/web/static/src/views/fields/statusbar/statusbar_field.scss b/addons/web/static/src/views/fields/statusbar/statusbar_field.scss
index dab8fd862c6..c5dacb22e26 100644
--- a/addons/web/static/src/views/fields/statusbar/statusbar_field.scss
+++ b/addons/web/static/src/views/fields/statusbar/statusbar_field.scss
@@ -36,6 +36,7 @@
                     border-left: $o-statusbar-arrow-width solid map-get($-btn-secondary-design, background);
                     -moz-transform: scale(0.9999); // Smooth the triangle on firefox
                     content: " ";
+                    @include transition($btn-transition);
                 }
 
                 &:before {