diff --git a/woof-code/support/petbuilds.sh b/woof-code/support/petbuilds.sh
index fa9d00bb96d..669188efc01 100644
--- a/woof-code/support/petbuilds.sh
+++ b/woof-code/support/petbuilds.sh
@@ -162,7 +162,7 @@ for NAME in $PKGS; do
 
     for EXTRAFILE in ../rootfs-petbuilds/${NAME}/*; do
         case "${EXTRAFILE##*/}" in
-        petbuild|*.patch|sha256.sum|*-*|DOTconfig|*.c|*.h|README.md) ;;
+        petbuild|*.patch|sha256.sum|*-*|DOTconfig|*.c|*.h|README.md|Makefile) ;;
         *) cp -a $EXTRAFILE rootfs-complete/
         esac
     done