diff --git a/app/assets/javascripts/discourse/components/menu-panel.js.es6 b/app/assets/javascripts/discourse/components/menu-panel.js.es6
index 13330f21a41..8961e9f931b 100644
--- a/app/assets/javascripts/discourse/components/menu-panel.js.es6
+++ b/app/assets/javascripts/discourse/components/menu-panel.js.es6
@@ -56,7 +56,7 @@ export default Ember.Component.extend({
       }
 
       $panelBody.height('100%');
-      this.$().css({ left: "auto", top: (menuTop - 2) + "px", height });
+      this.$().css({ left: "auto", top: (menuTop) + "px", height });
       $('body').removeClass('drop-down-visible');
     }
 
diff --git a/app/assets/javascripts/discourse/views/header.js.es6 b/app/assets/javascripts/discourse/views/header.js.es6
index 17062acde27..add2ce107e2 100644
--- a/app/assets/javascripts/discourse/views/header.js.es6
+++ b/app/assets/javascripts/discourse/views/header.js.es6
@@ -51,5 +51,5 @@ export function headerHeight() {
   const $header = $('header.d-header');
   const headerOffset = $header.offset();
   const headerOffsetTop = (headerOffset) ? headerOffset.top : 0;
-  return parseInt($header.height() + headerOffsetTop - $(window).scrollTop() + 5);
+  return parseInt($header.outerHeight() + headerOffsetTop - $(window).scrollTop());
 }