diff --git a/manifests/plugins/ml2/ovs_driver.pp b/manifests/plugins/ml2/ovs_driver.pp
index 10dde7c19..197153481 100644
--- a/manifests/plugins/ml2/ovs_driver.pp
+++ b/manifests/plugins/ml2/ovs_driver.pp
@@ -24,7 +24,7 @@ class neutron::plugins::ml2::ovs_driver (
 ){
   if !empty($vnic_type_prohibit_list) {
     neutron_plugin_ml2 {
-      'ovs_driver/vnic_type_prohibit_list': value => join(any2array($vnic_type_prohibit_list), ',');
+      'ovs_driver/vnic_type_prohibit_list': value => join($vnic_type_prohibit_list, ',');
     }
   } else {
     neutron_plugin_ml2 {
diff --git a/manifests/plugins/ml2/sriov_driver.pp b/manifests/plugins/ml2/sriov_driver.pp
index cba27ed86..4ad7e7ea9 100644
--- a/manifests/plugins/ml2/sriov_driver.pp
+++ b/manifests/plugins/ml2/sriov_driver.pp
@@ -24,7 +24,7 @@ class neutron::plugins::ml2::sriov_driver (
 ){
   if !empty($vnic_type_prohibit_list) {
     neutron_plugin_ml2 {
-      'sriov_driver/vnic_type_prohibit_list': value => join(any2array($vnic_type_prohibit_list), ',');
+      'sriov_driver/vnic_type_prohibit_list': value => join($vnic_type_prohibit_list, ',');
     }
   } else {
     neutron_plugin_ml2 {