diff --git a/app/assets/javascripts/discourse/models/topic.js.es6 b/app/assets/javascripts/discourse/models/topic.js.es6
index 93ff2850de8..054f35a67bd 100644
--- a/app/assets/javascripts/discourse/models/topic.js.es6
+++ b/app/assets/javascripts/discourse/models/topic.js.es6
@@ -145,7 +145,7 @@ const Topic = Discourse.Model.extend({
 
   toggleStatus(property) {
     this.toggleProperty(property);
-    this.saveStatus(property, !this.get(property));
+    this.saveStatus(property, !!this.get(property));
   },
 
   saveStatus(property, value) {