diff --git a/manifests/setup.pp b/manifests/setup.pp
index a356e8e8b31321f1e48c09a9ae3c8106e91686fb..6aa2a82806c9788169c134df94e14dfd559ece5e 100644
--- a/manifests/setup.pp
+++ b/manifests/setup.pp
@@ -77,7 +77,7 @@ class irc_bouncer::setup {
   }
 
 
-  class { '::letsencrypt::plugin::dns2136':
+  class { '::letsencrypt::plugin::dns_rfc2136':
     server              => 'ns-master.lysator.liu.se',
     keyname             => 'verdigris.lysator.liu.se',
     key_algorithm       => 'HMAC-SHA256',