diff --git a/rebuild-ipxe.sh b/rebuild-ipxe.sh
new file mode 100755
index 0000000..ea1d2cd
--- /dev/null
+++ b/rebuild-ipxe.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+# Nico Schottelius, 2019-09-20, Seoul, Coffebean, 23:56
+# Copying: GPLv3
+
+if [ ! -e ipxe ]; then
+	git clone git://git.ipxe.org/ipxe.git
+else
+	(cd ipxe; git pull)
+fi
+
+cd ipxe/src
+
+sed -i -e 's/^#undef.*NET_PROTO_IPV6/#define NET_PROTO_IPV6/' \
+	-e 's/^#undef.*DOWNLOAD_PROTO_HTTPS/#define  DOWNLOAD_PROTO_HTTPS/' \
+	-e 's,^//#define POWEROFF_CMD,#define POWEROFF_CMD,' \
+	-e 's,^//#define PING_CMD,#define PING_CMD,' \
+	-e 's,^//#define NTP_CMD,#define NTP_CMD,' config/general.h
+
+set -x
+
+# Finally:
+echo "Building chain-loadable undionly.kpxe"
+make bin/undionly.kpxe
+
+echo "Building USB loadable undionly.kpxe"
+make bin/ipxe.usb
+
+
+echo "Building EFI loadable undionly.kpxe"
+make bin-x86_64-efi/ipxe.efi