lib/cuba/render.rb in cuba-4.0.1 vs lib/cuba/render.rb in cuba-4.0.3

@@ -11,10 +11,10 @@
         default_encoding: Encoding.default_external
       }
     end
 
     def render(template, locals = {}, layout = settings[:render][:layout])
-      res.headers["Content-Type"] ||= "text/html; charset=utf-8"
+      res.headers[Rack::CONTENT_TYPE] ||= "text/html; charset=utf-8"
       res.write(view(template, locals, layout))
     end
 
     def view(template, locals = {}, layout = settings[:render][:layout])
       partial(layout, locals.merge(content: partial(template, locals)))