diff --git a/player.js b/player.js
index 2087b08..be56e4b 100644
--- a/player.js
+++ b/player.js
@@ -33,11 +33,11 @@ process.on('exit', exitHandler.bind(null));
 process.on('SIGINT', exitHandler.bind(null, {exit:true}));
 
 tag_reader.on('error', function(err) {
-  console.log(`[tag_reader:error] ${err}`);
+  console.log(`[tag_reader] error=${err}`);
 });
 
 player.on('error', function(err) {
-  console.log(`[player:error] ${err}`);
+  console.log(`[mpg321] error=${err}`);
 });
 
 tag_reader.on('close', function(code, signal) {
@@ -109,7 +109,7 @@ player.stderr.on('data', (data) => {
   if (String(data).substr(0, 3) === "@F ") {
     return;
   }
-  console.log(`[player:stderr] ${data}`);
+  console.log(`[mpg321] stderr ${data}`);
 });
 
 app.use(logger('dev'))