diff --git a/Makefile b/Makefile
index 1daa0d0..b09e331 100644
--- a/Makefile
+++ b/Makefile
@@ -70,6 +70,11 @@ metal: mnt-drive mnt-system base set-loc set-resolv set-fstab set-root grub
 tools:
 	$(call vinstall,base-devel git tcc wget vim-x11 tmux)
 
+post-install:
+	cp post-install.sh $(MNTDIR)/usr/local/bin/
+	chmod 755 $(MNTDIR)/usr/local/bin/post-install.sh
+	chroot $(MNTDIR) /usr/local/bin/post-install.sh
+
 laptop: metal wifi xorg audio
 
 archive: