diff --git a/tools/burnin b/tools/burnin
index b38680fc4b53ddcc809a98a7ee3253afd9c023d2..8d844f2d90ce9ca7ef7a36977e493daa3527597d 100755
--- a/tools/burnin
+++ b/tools/burnin
@@ -128,10 +128,10 @@ class Burner(object):
 
   def Feedback(self, msg):
     """Acumulate feedback in our buffer."""
-    self._feed_buf.write("%s %s\n" % (time.ctime(utils.MergeTime(msg[0])),
-                                      msg[2]))
+    formatted_msg = "%s %s" % (time.ctime(utils.MergeTime(msg[0])), msg[2])
+    self._feed_buf.write(formatted_msg + "\n")
     if self.opts.verbose:
-      Log(msg, indent=3)
+      Log(formatted_msg, indent=3)
 
   def MaybeRetry(self, retry_count, msg, fn, *args):
     """Possibly retry a given function execution.