diff --git a/uriloader/exthandler/Makefile.in b/uriloader/exthandler/Makefile.in
index d84dae4b4515..ff6fc5f3cbbb 100644
--- a/uriloader/exthandler/Makefile.in
+++ b/uriloader/exthandler/Makefile.in
@@ -65,6 +65,10 @@ REQUIRES	= xpcom \
 		  appcomps \
 		  $(NULL)
 
+ifdef MOZ_PHOENIX
+REQUIRES	+= toolkitcomps history
+endif
+
 ifneq (,$(filter mac cocoa,$(MOZ_WIDGET_TOOLKIT)))
 REQUIRES		+= windowwatcher \
 	             $(NULL)
diff --git a/uriloader/exthandler/nsExternalHelperAppService.cpp b/uriloader/exthandler/nsExternalHelperAppService.cpp
index 24858350a7c8..b0ec26623b0a 100644
--- a/uriloader/exthandler/nsExternalHelperAppService.cpp
+++ b/uriloader/exthandler/nsExternalHelperAppService.cpp
@@ -86,6 +86,9 @@
 #include "nsIPrefService.h"
 
 #include "nsIGlobalHistory.h"
+#ifdef MOZ_PHOENIX
+#include "nsToolkitCompsCID.h"
+#endif
 
 #include "nsCRT.h"
 #include "plstr.h"