diff --git a/qemu/launchers/spice b/qemu/launchers/spice
index b4e7af0..da7f3c0 100755
--- a/qemu/launchers/spice
+++ b/qemu/launchers/spice
@@ -1,12 +1,29 @@
-#!/bin/sh -x
-base=$(echo "$QEMUSH_BASE" | cut -d , -f 1)
-QEMUSH_BASE=$(echo "$QEMUSH_BASE" | sed "s/^${base}//" | sed 's/^,//')
+#!/usr/bin/env perl
+use warnings;
+use strict;
 
-exec "$base" \
-	-vga qxl \
-	-chardev spicevmc,id=vdagent,debug=0,name=vdagent \
-	-device virtio-serial \
-	-device virtserialport,chardev=vdagent,name=com.redhat.spice.0 \
-	-spice port="$(first-free-port 5900)",addr=::1,disable-ticketing=on \
-	-audiodev spice,id=snd0 \
-	"$@"
+my @launchers_chain = ("kvm");
+
+if (defined $ENV{'QEMUSH_BASE'}) {
+    @launchers_chain = split ",", $ENV{'QEMUSH_BASE'};
+}
+
+my $base = shift @launchers_chain;
+$ENV{'QEMUSH_BASE'} = join ",", @launchers_chain;
+
+chomp(my $socket_path = `pathof spice`);
+
+my @command = (
+    $base,
+	"-vga", "qxl",
+	"-chardev", "spicevmc,id=vdagent,debug=0,name=vdagent",
+	"-device", "virtio-serial",
+	"-device", "virtserialport,chardev=vdagent,name=com.redhat.spice.0",
+	"-spice", "unix=on,addr=${socket_path},disable-ticketing=on",
+	"-audiodev", "spice,id=snd0",
+    @ARGV
+);
+
+print "+ exec ", join(" ", @command), "\n";
+exit;
+exec @command;