diff --git a/srsepc/if_masq.sh b/srsepc/if_masq.sh
index ee6c41392..88d7f370a 100755
--- a/srsepc/if_masq.sh
+++ b/srsepc/if_masq.sh
@@ -23,8 +23,15 @@
 #Check for sudo rights
 sudo -v || exit 
 
-echo "Masquerading Interface"
+#Check if outbound interface was specified
+if [ ! $# -eq 1 ]
+  then
+    echo "Usage :'sudo ./if_masq.sh <Interface Name>' "
+    exit
+fi
+
+echo "Masquerading Interface "$1
 
 echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward 1>/dev/null
-sudo iptables -t nat -A POSTROUTING -o wlp58s0 -j MASQUERADE
+sudo iptables -t nat -A POSTROUTING -o $1 -j MASQUERADE