diff --git a/allmakefiles.sh b/allmakefiles.sh
index 043b877751a..1bd6f2c4da0 100755
--- a/allmakefiles.sh
+++ b/allmakefiles.sh
@@ -209,6 +209,7 @@ layout/xml/document/Makefile
 layout/xml/document/public/Makefile
 layout/xml/document/src/Makefile
 layout/xul/Makefile
+layout/xul/base/public/Makefile
 layout/xul/base/Makefile
 layout/xul/base/src/Makefile
 layout/xul/content/Makefile