diff --git a/manifests/init.pp b/manifests/init.pp
index 38e334b..47f18da 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -1,7 +1,7 @@
 class bind (
 	$confdir    = $bind::params::confdir,
 	$cachedir   = $bind::params::cachedir,
-	$forwarders = [],
+	$forwarders = '',
 	$dnssec     = true,
 	$version    = '',
 ) inherits bind::params {
diff --git a/manifests/view.pp b/manifests/view.pp
index 9d55305..7533c73 100644
--- a/manifests/view.pp
+++ b/manifests/view.pp
@@ -1,6 +1,6 @@
 define bind::view (
-	$match_clients      = [ 'any' ],
-	$match_destinations = [],
+	$match_clients      = 'any',
+	$match_destinations = '',
 	$zones              = [],
 	$recursion          = true,
 ) {
diff --git a/manifests/zone.pp b/manifests/zone.pp
index 1bcd8df..5c20f1a 100644
--- a/manifests/zone.pp
+++ b/manifests/zone.pp
@@ -1,15 +1,15 @@
 define bind::zone (
 	$zone_type,
 	$domain          = '',
-	$masters         = [],
-	$allow_updates   = [],
-	$allow_transfers = [],
+	$masters         = '',
+	$allow_updates   = '',
+	$allow_transfers = '',
 	$dnssec          = false,
 	$key_directory   = '',
 	$ns_notify       = true,
-	$also_notify     = [],
-	$allow_notify    = [],
-	$forwarders      = [],
+	$also_notify     = '',
+	$allow_notify    = '',
+	$forwarders      = '',
 	$forward         = '',
 ) {
 	$cachedir = $bind::cachedir