diff --git a/scripts/runqemu-ifup b/scripts/runqemu-ifup
index e4c3dafeef..0926faf439 100755
--- a/scripts/runqemu-ifup
+++ b/scripts/runqemu-ifup
@@ -109,6 +109,7 @@ $ROUTE add -host 192.168.7.$dest $TAP
 $IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$n/32
 $IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$dest/32
 echo 1 > /proc/sys/net/ipv4/ip_forward
+echo 1 > /proc/sys/net/ipv4/conf/$TAP/proxy_arp
 $IPTABLES -P FORWARD ACCEPT
 
 echo $TAP