diff --git a/app/assets/javascripts/discourse/lib/plugin-api.js.es6 b/app/assets/javascripts/discourse/lib/plugin-api.js.es6
index ca1d1ce289..91603a7f0c 100644
--- a/app/assets/javascripts/discourse/lib/plugin-api.js.es6
+++ b/app/assets/javascripts/discourse/lib/plugin-api.js.es6
@@ -347,7 +347,7 @@ class PluginApi {
    * and returns a hash of attrs to pass to the widget
    **/
    addHeaderPanel(name, toggle, attrFn) {
-     queryRegistry('header').prototype.attachAdditionalPanel(name, toggle, attrFn)
+     queryRegistry('header').prototype.attachAdditionalPanel(name, toggle, attrFn);
    }
 
   /**
diff --git a/app/assets/javascripts/discourse/widgets/header.js.es6 b/app/assets/javascripts/discourse/widgets/header.js.es6
index 842e0674f2..ec93b0f230 100644
--- a/app/assets/javascripts/discourse/widgets/header.js.es6
+++ b/app/assets/javascripts/discourse/widgets/header.js.es6
@@ -187,7 +187,7 @@ export default createWidget('header', {
   },
 
   attachAdditionalPanel(name, toggle, attrFn) {
-    this.additionalPanels.push({ name, toggle, attrFn })
+    this.additionalPanels.push({ name, toggle, attrFn });
   },
 
   html(attrs, state) {