--- a/widget/windows/nsWindow.cpp
+++ b/widget/windows/nsWindow.cpp
@@ -7408,17 +7408,18 @@ nsWindow::EventIsInsideWindow(nsWindow* 
 // static
 bool
 nsWindow::GetPopupsToRollup(nsIRollupListener* aRollupListener,
                             uint32_t* aPopupsToRollup)
 {
   // If we're dealing with menus, we probably have submenus and we don't want
   // to rollup some of them if the click is in a parent menu of the current
   // submenu.
-  *aPopupsToRollup = UINT32_MAX;
+  // Rollup any popups if the event is outside of menus and submenus.
+  *aPopupsToRollup = 0;
   AutoTArray<nsIWidget*, 5> widgetChain;
   uint32_t sameTypeCount =
     aRollupListener->GetSubmenuWidgetChain(&widgetChain);
   for (uint32_t i = 0; i < widgetChain.Length(); ++i) {
     nsIWidget* widget = widgetChain[i];
     if (EventIsInsideWindow(static_cast<nsWindow*>(widget))) {
       // Don't roll up if the mouse event occurred within a menu of the
       // same type. If the mouse event occurred in a menu higher than that,