diff --git a/fluentd/lib/fluent-plugin-remote_syslog/lib/fluent/plugin/out_remote_syslog.rb b/fluentd/lib/fluent-plugin-remote_syslog/lib/fluent/plugin/out_remote_syslog.rb
index d0f97b7893..528ea5ac6f 100644
--- a/fluentd/lib/fluent-plugin-remote_syslog/lib/fluent/plugin/out_remote_syslog.rb
+++ b/fluentd/lib/fluent-plugin-remote_syslog/lib/fluent/plugin/out_remote_syslog.rb
@@ -78,8 +78,9 @@ def close
       end
 
       def format(tag, time, record)
+        require 'json'
         r = inject_values_to_record(tag, time, record)
-        @formatter.format(tag, time, r)
+        r.to_json << "\n"
       end
 
       def write(chunk)