diff --git a/app/assets/javascripts/admin/components/site-setting.js.es6 b/app/assets/javascripts/admin/components/site-setting.js.es6
index 09b0dfe19e4..f89996c70a5 100644
--- a/app/assets/javascripts/admin/components/site-setting.js.es6
+++ b/app/assets/javascripts/admin/components/site-setting.js.es6
@@ -34,6 +34,7 @@ export default Ember.Component.extend(BufferedContent, ScrollTop, {
     },
     set(value) {
       this.set('buffered.value', value ? 'true' : 'false');
+      return value;
     }
   },