diff --git a/caps/src/Makefile.in b/caps/src/Makefile.in
index b147f83c94f2..aae2cd93ba34 100644
--- a/caps/src/Makefile.in
+++ b/caps/src/Makefile.in
@@ -29,7 +29,7 @@ include $(DEPTH)/config/autoconf.mk
 MODULE		= caps
 LIBRARY_NAME	= caps
 IS_COMPONENT	= 1
-REQUIRES	= xpcom string pref js dom xpconnect necko jar widget plugin intl locale layout appshell docshell uriloader gfx2
+REQUIRES	= xpcom string pref js dom xpconnect necko jar widget plugin intl locale layout appshell docshell uriloader gfx2 windowwatcher
 
 CPPSRCS		= \
 		nsBasePrincipal.cpp \
diff --git a/modules/plugin/base/src/Makefile.in b/modules/plugin/base/src/Makefile.in
index 2ee2f0cc6ae9..30a72de8252a 100644
--- a/modules/plugin/base/src/Makefile.in
+++ b/modules/plugin/base/src/Makefile.in
@@ -30,7 +30,7 @@ MODULE		= plugin
 XPIDL_MODULE	= layout
 LIBRARY_NAME	= gkplugin
 IS_COMPONENT    = 1
-REQUIRES	= xpcom string java pref necko gtkxtbin webshell caps intl dom locale layout widget cookie mimetype oji exthandler appshell docshell webbrwsr nkcache gfx2 timer
+REQUIRES	= xpcom string java pref necko gtkxtbin webshell caps intl dom locale layout widget cookie mimetype oji exthandler appshell docshell webbrwsr nkcache gfx2 timer windowwatcher
 
 CPPSRCS		= \
 		ns4xPlugin.cpp \
diff --git a/modules/plugin/nglsrc/Makefile.in b/modules/plugin/nglsrc/Makefile.in
index 2ee2f0cc6ae9..30a72de8252a 100644
--- a/modules/plugin/nglsrc/Makefile.in
+++ b/modules/plugin/nglsrc/Makefile.in
@@ -30,7 +30,7 @@ MODULE		= plugin
 XPIDL_MODULE	= layout
 LIBRARY_NAME	= gkplugin
 IS_COMPONENT    = 1
-REQUIRES	= xpcom string java pref necko gtkxtbin webshell caps intl dom locale layout widget cookie mimetype oji exthandler appshell docshell webbrwsr nkcache gfx2 timer
+REQUIRES	= xpcom string java pref necko gtkxtbin webshell caps intl dom locale layout widget cookie mimetype oji exthandler appshell docshell webbrwsr nkcache gfx2 timer windowwatcher
 
 CPPSRCS		= \
 		ns4xPlugin.cpp \