diff --git a/fixdns.sh b/fixdns.sh
index 9ba2ad3..dd34ab9 100755
--- a/fixdns.sh
+++ b/fixdns.sh
@@ -1,5 +1,9 @@
-#!/bin/zsh
-cd /tmp/
+#!/bin/sh
+cd /tmp/ || exit 'cd did not work'
 curl -o resolv.conf -L "https://api.opennicproject.org/geoip/?resolv&ipv=4"
-sudo mv resolv.conf /etc/
+if [ "$1" = 'write' ]; then
+    sudo mv resolv.conf /etc/
+else
+    less resolv.conf
+fi