diff --git a/lib/util/logger.js b/lib/util/logger.js
index 988d8165..2a6ad7a5 100644
--- a/lib/util/logger.js
+++ b/lib/util/logger.js
@@ -43,10 +43,13 @@ Log.prototype.fatal = function() {
 }
 
 Log.prototype._format = function(priority, args) {
-  return util.format('%s/%s %d [%s] %s',
-    priority, this.tag, process.pid,
-    this.localIdentifier || Log.globalIdentifier,
-    util.format.apply(util, args))
+  return util.format('%s/%s %d [%s] %s'
+    , priority
+    , this.tag
+    , process.pid
+    , this.localIdentifier || Log.globalIdentifier
+    , util.format.apply(util, args)
+  )
 }
 
 Log.prototype._write = function(out) {