diff --git a/mozilla/toolkit/components/Makefile.in b/mozilla/toolkit/components/Makefile.in
index 5883ff6fb77..3a020ae162f 100644
--- a/mozilla/toolkit/components/Makefile.in
+++ b/mozilla/toolkit/components/Makefile.in
@@ -49,7 +49,7 @@ ifdef MOZ_STANDALONE_COMPOSER
 DIRS = console filepicker printing viewsource
 else
 ifdef MOZ_SUNBIRD
-DIRS = autocomplete console filepicker printing passwordmgr
+DIRS = autocomplete console filepicker help printing passwordmgr
 else
 DIRS = 		\
 	autocomplete \