diff --git a/samba/manifests/init.pp b/samba/manifests/init.pp
index deacfb0..105aa1c 100644
--- a/samba/manifests/init.pp
+++ b/samba/manifests/init.pp
@@ -180,7 +180,7 @@ class samba::server($names=[$::hostname], $auth="tdbsam",
                 command     => "net join -U ${samba_join_user}%\"\${SECRET}\"",
                 environment => "SECRET=${samba_join_pass}",
                 path        => "/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin:/usr/local/sbin",
-                unless      => "net rpc testjoin -U ${samba_join_user}%\"\${SECRET}\"",
+                unless      => "net rpc testjoin",
                 require     => Service["smb"],
             }
         }