diff --git a/systemvm/debian/opt/cloud/bin/setup/consoleproxy.sh b/systemvm/debian/opt/cloud/bin/setup/consoleproxy.sh
index 9d3aea01de7..e061c4e028d 100755
--- a/systemvm/debian/opt/cloud/bin/setup/consoleproxy.sh
+++ b/systemvm/debian/opt/cloud/bin/setup/consoleproxy.sh
@@ -44,10 +44,13 @@ setup_console_proxy() {
     setup_sshd $ETH0_IP "eth0"
   fi
 
-  vncport=`cat /root/vncport`
-  log_it "vncport read: ${vncport}"
-  sed -i 's/8080/${vncport}/' /etc/iptables/rules.v4
-  log_it "vnc port ${vncport} rule applied"
+  if [ -f /root/vncport ]
+  then
+    vncport=`cat /root/vncport`
+    log_it "vncport read: ${vncport}"
+    sed -i 's/8080/${vncport}/' /etc/iptables/rules.v4
+    log_it "vnc port ${vncport} rule applied"
+  fi
 
   disable_rpfilter
   enable_fwding 0