diff --git a/app/assets/javascripts/discourse/controllers/topic.js.es6 b/app/assets/javascripts/discourse/controllers/topic.js.es6
index a2a8392ba56..80209d7b731 100644
--- a/app/assets/javascripts/discourse/controllers/topic.js.es6
+++ b/app/assets/javascripts/discourse/controllers/topic.js.es6
@@ -272,7 +272,7 @@ export default Ember.Controller.extend(BufferedContent, {
       const quoteState = this.get('quoteState');
       const postStream = this.get('model.postStream');
 
-      if (!postStream) return;
+      if (!postStream || !topic || !topic.get('details.can_create_post')) { return; }
 
       const quotedPost = postStream.findLoadedPost(quoteState.postId);
       const quotedText = Quote.build(quotedPost, quoteState.buffer);