diff --git a/app/assets/javascripts/discourse/controllers/topic.js.es6 b/app/assets/javascripts/discourse/controllers/topic.js.es6
index 968cd4e68..d2e81ba4a 100644
--- a/app/assets/javascripts/discourse/controllers/topic.js.es6
+++ b/app/assets/javascripts/discourse/controllers/topic.js.es6
@@ -374,10 +374,11 @@ export default Ember.Controller.extend(SelectedPostsCount, BufferedContent, {
 
     togglePinnedForUser() {
       if (this.get('model.pinned_at')) {
-        if (this.get('pinned')) {
-          this.get('content').clearPin();
+        const topic = this.get('content');
+        if (topic.get('pinned')) {
+          topic.clearPin();
         } else {
-          this.get('content').rePin();
+          topic.rePin();
         }
       }
     },