diff --git a/lib/fog/openstack/requests/network/create_subnet.rb b/lib/fog/openstack/requests/network/create_subnet.rb
index aad7cef07..2265de4a2 100644
--- a/lib/fog/openstack/requests/network/create_subnet.rb
+++ b/lib/fog/openstack/requests/network/create_subnet.rb
@@ -38,9 +38,9 @@ module Fog
             'cidr'             => cidr,
             'ip_version'       => ip_version,
             'gateway_ip'       => options[:gateway_ip],
-            'allocation_pools' => options[:allocation_pools],
-            'dns_nameservers'  => options[:dns_nameservers],
-            'host_routes'      => options[:host_routes],
+            'allocation_pools' => options[:allocation_pools]  || [],
+            'dns_nameservers'  => options[:dns_nameservers]   || [],
+            'host_routes'      => options[:host_routes]       || [],
             'enable_dhcp'      => options[:enable_dhcp],
             'tenant_id'        => options[:tenant_id]
           }