diff --git a/manifests/init.pp b/manifests/init.pp
index 761efcb..9f1a3e1 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -18,8 +18,8 @@
   $item_size       = false,
   $lock_memory     = false,
   $listen_ip       = '0.0.0.0',
-  $tcp_port        = 11211,
-  $udp_port        = 11211,
+  $tcp_port        = '11211',
+  $udp_port        = '11211',
   $user            = $::memcached::params::user,
   $max_connections = '8192',
   $verbosity       = undef,