diff --git a/tc-cgroup.sh b/tc-cgroup.sh
new file mode 100755
index 0000000..98f6a05
--- /dev/null
+++ b/tc-cgroup.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Make sure only root can run our script
+if [ "$(id -u)" != "0" ]; then
+	echo "This script must be run as root" 1>&2
+	exit 1
+fi
+
+if [ ! -d "/sys/fs/cgroup/net_prio" ]; then
+	echo "Your kernel needs to have the cls_prio cgroup loaded!" 1>&2
+	exit 1
+fi
+
+if [ ! -d "/sys/fs/cgroup/net_prio/netem" ]; then
+	cgcreate -g net_prio:netem
+
+	for i in $(ls /sys/class/net/);
+	do
+		echo "$i 15" > /sys/fs/cgroup/net_prio/netem/net_prio.ifpriomap
+	done
+fi
+
+cgexec   -g net_prio:netem $@
diff --git a/tc.c b/tc.c
index 8ddfff8..76f58a9 100644
--- a/tc.c
+++ b/tc.c
@@ -34,7 +34,7 @@ int tc_prio(struct nl_sock *sock, struct rtnl_link *link, struct rtnl_tc **tc)
 {
 	/* This is the default priomap +1 for every entry.
 	 * The first band (value == 0) with the highest priority is reserved for the netem traffic */
-	uint8_t map[] = { 2, 3, 3, 3, 2, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2 };
+	uint8_t map[] = { 2, 3, 3, 3, 2, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 0 };
 
 	struct rtnl_qdisc *q = rtnl_qdisc_alloc();
 
@@ -44,7 +44,7 @@ int tc_prio(struct nl_sock *sock, struct rtnl_link *link, struct rtnl_tc **tc)
 	rtnl_tc_set_kind(TC_CAST(q), "prio"); 
 
 	rtnl_qdisc_prio_set_bands(q, 3+1);
-	rtnl_qdisc_prio_set_priomap(q, map, sizeof(map) / sizeof(map[0]));
+	rtnl_qdisc_prio_set_priomap(q, map, 7);
 
 	int ret = rtnl_qdisc_add(sock, q, NLM_F_CREATE);