diff --git a/mozilla/mail/base/Makefile.in b/mozilla/mail/base/Makefile.in
index b3fbfaa2a02..2b1732084c4 100644
--- a/mozilla/mail/base/Makefile.in
+++ b/mozilla/mail/base/Makefile.in
@@ -44,7 +44,7 @@ include $(DEPTH)/config/autoconf.mk
 
 DEFINES += -DMOZ_APP_VERSION=$(MOZ_APP_VERSION)
 
-ifndef MOZ_USE_OFFICIAL_BRANDING
+ifndef MOZ_BRANDING_DIRECTORY
 DEFINES += -DMOZ_USE_GENERIC_BRANDING
 endif