As we are couting the pages from 1 we have to continue until pages+1

lib/jekyll/site.rb

@@ -252,8 +252,9 @@ module Jekyll
       all_posts = self.posts.sort { |a,b| b <=> a }
 
       pages = Pager.calculate_pages(all_posts, self.config['paginate'].to_i)
-
+      pages += 1
       (1..pages).each do |num_page|
+
         pager = Pager.new(self.config, num_page, all_posts, pages)
         page = Page.new(self, self.source, dir, file)
         page.render(self.layouts, site_payload.merge({'paginator' => pager.to_hash}))