diff --git a/addons/web/static/src/js/web_client.js b/addons/web/static/src/js/web_client.js
index 570e64ac2bd..99237dccc6c 100644
--- a/addons/web/static/src/js/web_client.js
+++ b/addons/web/static/src/js/web_client.js
@@ -24,6 +24,10 @@ return AbstractWebClient.extend({
     },
     show_application: function() {
         var self = this;
+
+        // Allow to call `on_attach_callback` and `on_detach_callback` when needed
+        this.action_manager.is_in_DOM = true;
+
         this.toggle_bars(true);
         this.set_title();
         this.update_logo();