diff --git a/browser/base/content/browser.xhtml b/browser/base/content/browser.xhtml
index b4886fb5f74568b4c09eb620be9efb74e39c599c..b4a6bb5e06db8b097457c490d369ad9e2ae66454 100644
--- a/browser/base/content/browser.xhtml
+++ b/browser/base/content/browser.xhtml
@@ -165,7 +165,10 @@
#include navigator-toolbox.inc.xhtml
-#include browser-box.inc.xhtml
+
+ #include zen-sidebar-box.inc.xhtml
+ #include browser-box.inc.xhtml
+