Index: usr.sbin/bsdinstall/scripts/zfsboot
===================================================================
--- usr.sbin/bsdinstall/scripts/zfsboot	(revision 259561)
+++ usr.sbin/bsdinstall/scripts/zfsboot	(working copy)
@@ -1156,6 +1156,11 @@
 	f_eval_catch $funcname zpool "$ZPOOL_SET" \
 	             "cachefile=\"$BSDINSTALL_CHROOT/boot/zfs/zpool.cache\"" \
 	             "$zroot_name" || return $FAILURE
+	if [ "$ZFSBOOT_BOOT_POOL" ]; then
+		f_eval_catch $funcname zpool "$ZPOOL_SET" \
+		             "cachefile=\"$BSDINSTALL_CHROOT/boot/zfs/zpool.cache\"" \
+		             "$bootpool_name" || return $FAILURE
+	fi
 
 	# Last, but not least... required lines for rc.conf(5)/loader.conf(5)
 	# NOTE: We later concatenate these into their destination