diff --git a/allmakefiles.sh b/allmakefiles.sh
index f418b99911a5..bc3aa97691c6 100755
--- a/allmakefiles.sh
+++ b/allmakefiles.sh
@@ -305,6 +305,9 @@ layout/xul/Makefile
 layout/xul/base/Makefile
 layout/xul/base/public/Makefile
 layout/xul/base/src/Makefile
+layout/xul/base/src/outliner/Makefile
+layout/xul/base/src/outliner/src/Makefile
+layout/xul/base/src/outliner/public/Makefile
 layout/xul/content/Makefile
 layout/xul/content/src/Makefile
 "