diff --git a/mozilla/xpfe/appshell/src/nsAppShellService.cpp b/mozilla/xpfe/appshell/src/nsAppShellService.cpp
index a621c0e34aa..37294244e9f 100644
--- a/mozilla/xpfe/appshell/src/nsAppShellService.cpp
+++ b/mozilla/xpfe/appshell/src/nsAppShellService.cpp
@@ -35,7 +35,7 @@
 /* For Javascript Namespace Access */
 #include "nsDOMCID.h"
 #include "nsIScriptNameSetRegistry.h"
-#include "nsAppShellNameset.h"
+#include "nsAppShellNameSet.h"
 
 #include "nsWidgetsCID.h"
 #include "nsIStreamObserver.h"