diff --git a/manifests/user.pp b/manifests/user.pp
index f0da52628818054c46c82233c098ef7f68063fdb..6533e74131b8cfed9e91c266253435a4eb926900 100644
--- a/manifests/user.pp
+++ b/manifests/user.pp
@@ -21,8 +21,8 @@ define icinga_admin::user(
   if $ensure == present {
     create_resources('ssh_authorized_key', $ssh_keys,
       {
-        user => $name,
-        type => 'ssh-rsa',
+        'user' => $name,
+        'type' => 'ssh-rsa',
       }
     )
   }