diff --git a/tools/hotplug/NetBSD/Makefile b/tools/hotplug/NetBSD/Makefile
index 114b223207..f909ffa367 100644
--- a/tools/hotplug/NetBSD/Makefile
+++ b/tools/hotplug/NetBSD/Makefile
@@ -7,6 +7,7 @@ XEN_SCRIPTS += locking.sh
 XEN_SCRIPTS += block
 XEN_SCRIPTS += vif-bridge
 XEN_SCRIPTS += vif-ip
+XEN_SCRIPTS += qemu-ifup
 
 XEN_SCRIPT_DATA =
 XEN_RCD_PROG = rc.d/xencommons rc.d/xendomains rc.d/xen-watchdog rc.d/xendriverdomain
diff --git a/tools/hotplug/NetBSD/qemu-ifup b/tools/hotplug/NetBSD/qemu-ifup
new file mode 100644
index 0000000000..4305419f44
--- /dev/null
+++ b/tools/hotplug/NetBSD/qemu-ifup
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+#called by qemu when a HVM domU is started.
+# first parameter is tap interface, second is the bridge name
+# environement variable $XEN_DOMAIN_ID contains the domU's ID,
+# which can be used to retrieve extra parameters from the xenstore.
+
+ifconfig $1 up
+exec /sbin/brconfig $2 add $1