diff --git a/mozilla/xpfe/appshell/public/nsAppShellCIDs.h b/mozilla/xpfe/appshell/public/nsAppShellCIDs.h
index 6898ba9152e..c9559280519 100644
--- a/mozilla/xpfe/appshell/public/nsAppShellCIDs.h
+++ b/mozilla/xpfe/appshell/public/nsAppShellCIDs.h
@@ -26,5 +26,12 @@
 { 0x43147b80, 0x8a39, 0x11d2, \
   {0x99, 0x38, 0x00, 0x80, 0xc7, 0xcb, 0x10, 0x80} }
 
+// XXX:  This is temporary...
+// 106b6f40-d79e-11d2-99db-0080c7cb1080
+#define NS_PROTOCOL_HELPER_CID \
+{ 0x106b6f40, 0xd79e, 0x11d2, \
+  {0x99, 0xdb, 0x00, 0x80, 0xc7, 0xcb, 0x10, 0x80} }
+
 
 #endif /* nsAppShellCIDs_h__ */
+