diff --git a/install.sh b/install.sh
index 3680b13..e61253c 100755
--- a/install.sh
+++ b/install.sh
@@ -5,8 +5,15 @@
 # Copyright (c) 2022 Matthew Saunders Brown <matthewsaundersbrown@gmail.com>
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
-DEBIAN_FRONTEND=noninteractive apt-get -y install pip
-pip install certbot-dns-powerdns
+if [[ ! -x /opt/certbot/bin/pip ]]; then
+  echo "NOTICE: This package requires certbot pip install in /opt/certbot"
+  echo "Package letsencrypt-tools will provide this and should be installed first."
+  echo "https://git.stack-source.com/msb/letsencrypt-tools"
+  exit 1
+fi
+
+# pyyaml==5.3.1 currently needed by certbot-dns-powerdns
+/opt/certbot/bin/pip install certbot-dns-powerdns pyyaml==5.3.1
 
 # Install dasel from binary. Used to convert json data to csv
 wget --quiet --output-document=/usr/local/bin/dasel https://github.com/TomWright/dasel/releases/download/v2.7.0/dasel_linux_amd64
@@ -25,9 +32,9 @@ if [[ ! -f /usr/local/etc/pdns.conf ]]; then
   echo "Update /usr/local/etc/pdns.conf with your settings."
 fi
 
-if [[ ! -f /root/.pdns-credentials.ini ]]; then
-  echo "certbot_dns_powerdns:dns_powerdns_api_url =" > /root/.pdns-credentials.ini
-  echo "certbot_dns_powerdns:dns_powerdns_api_key =" >> /root/.pdns-credentials.ini
-  chmod 640 /root/.pdns-credentials.ini
-  echo "Update /root/.pdns-credentials.ini with your settings (this is to be used with certbot-dns-powerdns)."
+if [[ ! -f /usr/local/etc/pdns-certbot-credentials.ini ]]; then
+  echo "dns_powerdns_api_url =" > /usr/local/etc/pdns-certbot-credentials.ini
+  echo "dns_powerdns_api_key =" >> /usr/local/etc/pdns-certbot-credentials.ini
+  chmod 640 /usr/local/etc/pdns-certbot-credentials.ini
+  echo "Update /usr/local/etc/pdns-certbot-credentials.ini with your settings (this is to be used with certbot-dns-powerdns)."
 fi