diff --git a/mozilla/lib/Makefile b/mozilla/lib/Makefile
index 8295cbd655e..c4b0f8c38f5 100644
--- a/mozilla/lib/Makefile
+++ b/mozilla/lib/Makefile
@@ -31,7 +31,7 @@ ifdef MOZ_MAIL_NEWS
 DIRS	+= libmsg
 else
 ifdef MOZ_MAIL_COMPOSE
-DIRS	+= libmailto
+DIRS	+= mailto
 endif
 endif