diff --git a/vpnsetup.sh b/vpnsetup.sh
index 2c9801f..50703cd 100644
--- a/vpnsetup.sh
+++ b/vpnsetup.sh
@@ -218,6 +218,7 @@ cat > /etc/network/if-pre-up.d/iptablesload <<EOF
 exit 0
 EOF
 
+/bin/cp -f /etc/rc.local /etc/rc.local.old
 cat > /etc/rc.local <<EOF
 #!/bin/sh -e
 #