diff --git a/debian/preinst b/debian/preinst
new file mode 100644
index 0000000..1a23e48
--- /dev/null
+++ b/debian/preinst
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+set -e
+
+cp -f /usr/sbin/update-initramfs /usr/sbin/update-initramfs-legacy