diff --git a/embedding/components/windowwatcher/src/Makefile.in b/embedding/components/windowwatcher/src/Makefile.in
index 3ce4e466e803..b661abf1e02e 100644
--- a/embedding/components/windowwatcher/src/Makefile.in
+++ b/embedding/components/windowwatcher/src/Makefile.in
@@ -26,7 +26,7 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= embedcomponents
 LIBRARY_NAME	= windowwatcher_s
-REQUIRES	= xpcom string dom windowwatcher widget js xpconnect caps layout uriloader necko docshell locale webbrwsr embed_base gfx2 wallet
+REQUIRES	= xpcom string dom windowwatcher widget js xpconnect caps layout uriloader necko docshell locale webbrwsr embed_base gfx2 wallet intl appshell
 
 CPPSRCS		= nsPrompt.cpp \
                   nsPromptService.cpp \