simple_captcha_valid? always return false

[Igor-]

class PromosController < ApplicationController
   def create
      if !simple_captcha_valid?
        flash[:error] = "Введен неверный код!"
        redirect_to promo_path
        return
      end

      ......
    end

end

simple-captcha/lib/simple_captcha/controller.rb

Line 20 in b145495

if params[:captcha]

here params[:captcha] always nil, but params[:promocode][:captcha] is present.

[faissaloo]

This seems to only happen on Chromium for me.

[faissaloo]

Using HTTPS seems to fix this.