lib/ezprint/railtie.rb in historian_ezprint-0.2.1 vs lib/ezprint/railtie.rb in historian_ezprint-0.2.2

@@ -3,10 +3,10 @@
 require 'ezprint/pdf_helper'
 
 class Railtie < Rails::Railtie
 
   initializer :init_mime_types do
-    Mime::Type.register 'application/pdf', :pdf
+    Mime::Type.register 'application/pdf', :pdf unless Mime::Type.lookup_by_extension(:pdf)
   end
 
   initializer :insert_into_action_controller do
     ActiveSupport.on_load :action_controller  do
       ActionController::Base.send(:include, EzPrint::PdfHelper)