diff --git a/usr.sbin/unbound/setup/local-unbound-setup.sh b/usr.sbin/unbound/setup/local-unbound-setup.sh
--- a/usr.sbin/unbound/setup/local-unbound-setup.sh
+++ b/usr.sbin/unbound/setup/local-unbound-setup.sh
@@ -118,8 +118,8 @@
 get_nameservers() {
 	while read line ; do
 		local bareline=${line%%\#*}
-		local key=${bareline%% *}
-		local value=${bareline#* }
+		local key=${bareline%%[[:space:]]*}
+		local value=${bareline#*[[:space:]]}
 		case ${key} in
 		nameserver)
 			case ${value} in
@@ -145,8 +145,8 @@
 	local edns0=no
 	while read line ; do
 		local bareline=${line%%\#*}
-		local key=${bareline%% *}
-		local value=${bareline#* }
+		local key=${bareline%%[[:space:]]*}
+		local value=${bareline#*[[:space:]]}
 		case ${key} in
 		nameserver)
 			case ${value} in