diff --git a/extensions/dns/ruby/logger.rb b/extensions/dns/ruby/logger.rb
index 46573c1af..142f09a99 100644
--- a/extensions/dns/ruby/logger.rb
+++ b/extensions/dns/ruby/logger.rb
@@ -19,5 +19,9 @@ class Logger
     print_error "DNS Server: #{msg}"
   end
 
+  def warn(msg)
+    print_error "DNS Server: #{msg}"
+  end
+
 end