diff --git a/examples/udhcp/simple.script b/examples/udhcp/simple.script
index 6658fbeef..f079ec8b8 100755
--- a/examples/udhcp/simple.script
+++ b/examples/udhcp/simple.script
@@ -18,7 +18,7 @@ case "$1" in
 	deconfig)
 		echo "Clearing IP addresses on $interface, upping it"
 		if command -v ip >/dev/null; then
-			ip addr flush dev $interface
+			ip -4 addr flush dev $interface
 			ip link set dev $interface up
 		else
 			ifconfig $interface 0.0.0.0