diff --git a/jobs/dns/dns.sh b/jobs/dns/dns.sh
index dc8e51e..afb8b34 100755
--- a/jobs/dns/dns.sh
+++ b/jobs/dns/dns.sh
@@ -4,10 +4,12 @@
 #	configLine [searchPattern] [replaceLine] [filePath]
 # Ref https://stackoverflow.com/a/54909102/1460422
 config_line() {
-	local OLD_LINE_PATTERN=$1; shift
-	local NEW_LINE=$1; shift
-	local FILE=$1
-	local NEW=$(echo "${NEW_LINE}" | sed 's/\//\\\//g')
+	local OLD_LINE_PATTERN NEW_LINE NEW FILE
+	OLD_LINE_PATTERN="$1"; shift
+	NEW_LINE="$1"; shift
+	FILE="$1"
+	NEW="$(echo "${NEW_LINE}" | sed 's/\//\\\//g')";
+	
 	touch "${FILE}"
 	sed -i '/'"${OLD_LINE_PATTERN}"'/{s/.*/'"${NEW}"'/;h};${x;/./{x;q100};x}' "${FILE}"
 	if [[ $? -ne 100 ]] && [[ ${NEW_LINE} != '' ]]