diff --git a/manifests/server/proxy.pp b/manifests/server/proxy.pp
index 7ad1e8e..b0829ef 100644
--- a/manifests/server/proxy.pp
+++ b/manifests/server/proxy.pp
@@ -54,6 +54,7 @@ define cd_haproxy::server::proxy (
   $be_server_name   = '',
   $be_balance       = '',
   $be_mode          = '',
+  $default_backend  = '',
 
 ) {