diff --git a/site-modules/profile/manifests/pgbouncer.pp b/site-modules/profile/manifests/pgbouncer.pp
index 3a88f1b9..ef68a82b 100644
--- a/site-modules/profile/manifests/pgbouncer.pp
+++ b/site-modules/profile/manifests/pgbouncer.pp
@@ -1,12 +1,22 @@
 # Manage a pgbouncer server
 class profile::pgbouncer {
   $config_params = lookup('pgbouncer::config_params')
   $userlist = lookup('pgbouncer::userlist')
   $databases = lookup('pgbouncer::databases')
 
+  # Need format manipulation (expected format in pgbouncer class is {key,
+  # value} with no nested data)
+  $listen_addr = join($config_params['listen_addr'], ',')
+  $admin_users = join($config_params['admin_users'], ',')
+
+  $expected_config_params = merge($config_params, {
+    listen_addr => $listen_addr,
+    admin_users => $admin_users,
+  })
+
   class {'::pgbouncer':
-    config_params => $config_params,
+    config_params => $expected_config_params,
     userlist      => $userlist,
     databases     => $databases,
   }
 }