diff --git a/lib/fluent/plugin/out_buffered_stdout.rb b/lib/fluent/plugin/out_buffered_stdout.rb
index <HASH>..<HASH> 100644
--- a/lib/fluent/plugin/out_buffered_stdout.rb
+++ b/lib/fluent/plugin/out_buffered_stdout.rb
@@ -34,7 +34,7 @@ module Fluent
 
     def write(chunk)
       chunk.msgpack_each do |time, tag, record|
-        log.write "#{time} #{tag}: #{@formatter.format(time.localtime.to_s, tag, record)}\n"
+        log.write "#{time} #{tag}: #{@formatter.format(tag, time, record)}\n"
       end
       log.flush
     end
out_buffered_stdout: Fix no method error due to wrong formattter#format usage