lib/roda/plugins/heartbeat.rb in roda-3.69.0 vs lib/roda/plugins/heartbeat.rb in roda-3.70.0

@@ -25,10 +25,10 @@
         # If the request is for a heartbeat path, return the heartbeat response.
         def _roda_before_20__heartbeat
           if env['PATH_INFO'] == opts[:heartbeat_path]
             response = @_response
             response.status = 200
-            response['Content-Type'] = 'text/plain'
+            response[RodaResponseHeaders::CONTENT_TYPE] = 'text/plain'
             response.write 'OK'
             throw :halt, response.finish
           end
         end
       end