diff --git a/lib/metanorma/ietf/converter.rb b/lib/metanorma/ietf/converter.rb
index 4d0db45..8c53a39 100644
--- a/lib/metanorma/ietf/converter.rb
+++ b/lib/metanorma/ietf/converter.rb
@@ -37,7 +37,7 @@ def outputs(node, ret)
         rfc_converter(node).convert("#{@filename}.xml")
       end
 
-      def init_misc
+      def init_misc(node)
         super
         @default_doctype = "internet-draft"
       end