diff --git a/srsepc/srsepc_if_masq.sh b/srsepc/srsepc_if_masq.sh
index e62a0c8772..6d9e837f95 100755
--- a/srsepc/srsepc_if_masq.sh
+++ b/srsepc/srsepc_if_masq.sh
@@ -34,3 +34,6 @@ echo "Masquerading Interface "$1
 
 echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward 1>/dev/null
 sudo iptables -t nat -A POSTROUTING -o $1 -j MASQUERADE
+sudo iptables -A FORWARD -i $1 -o srs_spgw_sgi -m state --state RELATED,ESTABLISHED -j ACCEPT
+sudo iptables -A FORWARD -i srs_spgw_sgi -o $1 -j ACCEPT
+