diff --git a/browser/metro/base/content/startui/Start.xul b/browser/metro/base/content/startui/Start.xul
index ee14fa33298..3a242ae5b9b 100644
--- a/browser/metro/base/content/startui/Start.xul
+++ b/browser/metro/base/content/startui/Start.xul
@@ -100,4 +100,5 @@
 #endif
   </hbox>
   </html:body>
+  <observes element="bcast_windowState" attribute="*"/>
 </html:html>
diff --git a/browser/metro/theme/browser.css b/browser/metro/theme/browser.css
index 9f136203e29..c8b750353f0 100644
--- a/browser/metro/theme/browser.css
+++ b/browser/metro/theme/browser.css
@@ -197,6 +197,12 @@ documenttab[selected] .documenttab-selection {
   height: 100%;
 }
 
+#startui-page[viewstate="snapped"],
+#startui-page[viewstate="portrait"] {
+  overflow-x: hidden;
+  overflow-y: scroll;
+}
+
 #startui-body {
   height: 100%;
   margin: 0;