diff --git a/install.sh b/install.sh
index 00c3ed8..fbd1fb4 100755
--- a/install.sh
+++ b/install.sh
@@ -1,5 +1,10 @@
 APP=jet-search
 DOMAIN=jetsearch.com
+DNS="
+zone \"$DOMAIN\" {
+    type master;
+    file \"/etc/bind/db.$DOMAIN\";
+};"
 
 cd dist
 docker build -t $APP .
@@ -7,6 +12,6 @@ openssl genrsa -out /etc/ssl/private/$APP.key 2048
 openssl req -new -key /etc/ssl/private/$APP.key -out /etc/ssl/certs/$APP.csr -config openssl.cnf
 openssl x509 -req -in /etc/ssl/certs/$APP.csr -CA /root/ca.crt -CAkey /root/ca.key -CAcreateserial -out /etc/ssl/certs/$APP.crt -extfile openssl.cnf -extensions req_ext -days 500 -sha256
 cp nginx.cnf /etc/nginx/sites-enabled/$APP
-echo "\nzone \"$DOMAIN\" {\n    type master;\n    file \"/etc/bind/db.$DOMAIN\";\n};" | tee -a /etc/bind/named.conf.local
+echo $DNS | tee -a /etc/bind/named.conf.local
 cp zonefile.cnf /etc/bind/db.$DOMAIN
 docker run -p 5000:5000 --name $APP --restart always -d $APP