diff --git a/lib/choices/rails.rb b/lib/choices/rails.rb
index 4946c58..a3da34d 100644
--- a/lib/choices/rails.rb
+++ b/lib/choices/rails.rb
@@ -25,7 +25,7 @@ def from_file(name)
     end
   end
 
-  def respond_to?(method)
+  def respond_to?(method, include_private = false)
     super or method.to_s =~ /=$/ or (method.to_s =~ /\?$/ and @choices.key?($`))
   end