diff --git a/src/view/ThemeManager.js b/src/view/ThemeManager.js
index e75f368fa1f..db79e2ed971 100644
--- a/src/view/ThemeManager.js
+++ b/src/view/ThemeManager.js
@@ -237,6 +237,7 @@ define(function (require, exports, module) {
                     return result.content;
                 })
                 .then(function (cssContent) {
+                    $("body").toggleClass("dark", theme.dark);
                     styleNode.text(cssContent);
                     $("body").attr('data-theme',theme.name);
                     pending.resolve(theme);