diff --git a/mozilla/widget/src/mac/nsMenuBarX.cpp b/mozilla/widget/src/mac/nsMenuBarX.cpp
index ced425b1596..638f2292692 100644
--- a/mozilla/widget/src/mac/nsMenuBarX.cpp
+++ b/mozilla/widget/src/mac/nsMenuBarX.cpp
@@ -53,6 +53,8 @@
 #include <Appearance.h>
 #include "nsMacResources.h"
 
+#include "nsGUIEvent.h"
+
 // CIDs
 #include "nsWidgetsCID.h"
 static NS_DEFINE_CID(kMenuBarCID, NS_MENUBAR_CID);
diff --git a/mozilla/widget/src/mac/nsMenuItemX.cpp b/mozilla/widget/src/mac/nsMenuItemX.cpp
index fd7d0446cda..d17009bdb84 100644
--- a/mozilla/widget/src/mac/nsMenuItemX.cpp
+++ b/mozilla/widget/src/mac/nsMenuItemX.cpp
@@ -38,6 +38,8 @@
 #include "nsIDocument.h"
 #include "nsIDOMDocument.h"
 
+#include "nsGUIEvent.h"
+
 #include "nsStringUtil.h"
 
 
diff --git a/mozilla/widget/src/mac/nsMenuX.cpp b/mozilla/widget/src/mac/nsMenuX.cpp
index 476e998f510..340860f95db 100644
--- a/mozilla/widget/src/mac/nsMenuX.cpp
+++ b/mozilla/widget/src/mac/nsMenuX.cpp
@@ -28,6 +28,7 @@
 #include "nsIDocumentObserver.h"
 #include "nsIComponentManager.h"
 #include "nsIDocShell.h"
+#include "prinrval.h"
 
 #include "nsMenuX.h"
 #include "nsMenubarX.h"
@@ -55,6 +56,8 @@
 #include <Balloons.h>
 #include <CarbonEvents.h>
 
+#include "nsGUIEvent.h"
+
 #include "nsDynamicMDEF.h"
 
 const PRInt16 kMacMenuIDX = nsMenuBarX::kAppleMenuID + 1;