diff --git a/mozilla/xpfe/components/Makefile.in b/mozilla/xpfe/components/Makefile.in
index 21542db43c5..d42ef540763 100644
--- a/mozilla/xpfe/components/Makefile.in
+++ b/mozilla/xpfe/components/Makefile.in
@@ -30,9 +30,7 @@ ifdef MOZ_THUNDERBIRD
 MOZ_STANDALONE_NONBROWSER_XULAPP=1
 endif
 ifdef MOZ_STANDALONE_COMPOSER
-define MOZ_STANDALONE_NONBROWSER_XULAPP
-1
-endef
+MOZ_STANDALONE_NONBROWSER_XULAPP=1
 endif
 
 ifndef MOZ_STANDALONE_NONBROWSER_XULAPP