diff --git a/mozilla/network/protocol/Makefile.in b/mozilla/network/protocol/Makefile.in
index ed09b441f37..3bd6f92f53f 100644
--- a/mozilla/network/protocol/Makefile.in
+++ b/mozilla/network/protocol/Makefile.in
@@ -54,7 +54,7 @@ DIRS += \
 endif
 
 
-ifdef MOZ_MAIL_NEWS
+ifdef OLD_MOZ_MAIL_NEWS
 DIRS += \
 	mailbox \
 	smtp \