diff --git a/host_cleanup.sh b/host_cleanup.sh
index 40a50dd7d..e7182e6b5 100755
--- a/host_cleanup.sh
+++ b/host_cleanup.sh
@@ -40,6 +40,7 @@ if systemctl is-active --quiet NetworkManager; then
 else
   sudo systemctl restart NetworkManager
 fi
+mv /etc/resolv.conf.dev-scripts.backup /etc/resolv.conf
 
 # There was a bug in this file, it may need to be recreated.
 # delete the interface as it can cause issues when not rebooting
diff --git a/utils.sh b/utils.sh
index 7fc8a443a..1bfc95234 100755
--- a/utils.sh
+++ b/utils.sh
@@ -587,6 +587,9 @@ function write_pull_secret() {
 }
 
 function switch_to_internal_dns() {
+  # Create backup of the current resolv.conf in case user is using a manual configuration. This
+  # file will be used in host_cleanup to revert the initial DNS configuration of the host.
+  cp /etc/resolv.conf /etc/resolv.conf.dev-scripts.backup
   sudo mkdir -p /etc/NetworkManager/conf.d/
   ansible localhost -b -m ini_file -a "path=/etc/NetworkManager/conf.d/dnsmasq.conf section=main option=dns value=dnsmasq"
   if [ "$ADDN_DNS" ] ; then