diff --git a/src/dom_components/model/Component.js b/src/dom_components/model/Component.js
index 03ef2a659..9c9032037 100644
--- a/src/dom_components/model/Component.js
+++ b/src/dom_components/model/Component.js
@@ -537,7 +537,8 @@ const Component = Backbone.Model.extend(Styleable).extend(
       return this;
     },
 
-    initTraits() {
+    initTraits(changed) {
+      const { em } = this;
       const event = 'change:traits';
       const toListen = [this, event, this.initTraits];
       this.stopListening(...toListen);
@@ -553,6 +554,7 @@ const Component = Backbone.Model.extend(Styleable).extend(
       });
       traits.length && this.set('attributes', attrs);
       this.listenTo(...toListen);
+      changed && em && em.trigger('component:toggled');
       return this;
     },