diff --git a/lib/system_pay/railtie.rb b/lib/system_pay/railtie.rb
index 5196eda..0089f95 100644
--- a/lib/system_pay/railtie.rb
+++ b/lib/system_pay/railtie.rb
@@ -5,11 +5,11 @@
 module SystemPay
   class Railtie < ::Rails::Railtie
     initializer "system_pay.form_helper" do
-      ActiveSupport.on_load(:action_controller) do 
+      ActiveSupport.on_load(:action_controller) do
         helper SystemPay::FormHelper
       end
 
-=begin      
+=begin
       config.to_prepare do
         self.setup! # &method(:activate).to_proc
       end
@@ -17,11 +17,11 @@ class Railtie < ::Rails::Railtie
 
       system_pay_config_file = File.join(Rails.root,'config','system_pay.yml')
       raise "#{system_pay_config_file} is missing!" unless File.exists? system_pay_config_file
-      system_pay_config = YAML.load_file(system_pay_config_file)[Rails.env].symbolize_keys
+      system_pay_config = YAML.load(ERB.new(IO.read(system_pay_config_file)).result)[Rails.env].symbolize_keys
 
       system_pay_config.each_pair do |n, v|
         SystemPay::Vads.class_variable_set("@@#{n}", v)
       end
     end
   end
-end
\ No newline at end of file
+end