diff --git a/browser/base/content/browser.xul b/browser/base/content/browser.xul
index 38b92c3fe22c..5977b72e3260 100644
--- a/browser/base/content/browser.xul
+++ b/browser/base/content/browser.xul
@@ -507,6 +507,9 @@
 #ifdef WINCE
            defaulticonsize="small" iconsize="small"
 #endif
+#ifdef XP_WIN
+           tabsontop="true"
+#endif
 #ifdef XP_WIN
            tabsontop="true"
 #endif