run.go | 2 +-

diff --git a/run.go b/run.go
index b18e0443e769aef4b84b70786d5cf7310db783a5ece7031e472d937a8b8e2490..a54f314a032e78ac801780cfa160b048e32cc3ad1df33f13607d3459ceaee784 100644
--- a/run.go
+++ b/run.go
@@ -468,7 +468,7 @@ 				}
 				if fdStderr != nil {
 					ts.FromTime(time.Now())
 					LogMutex.Lock()
-					fmt.Fprintf(fdStderr, "%s %s\n", tai64n.Encode(ts[:]), line)
+					fmt.Fprintln(fdStderr, tai64n.Encode(ts[:]), line)
 					LogMutex.Unlock()
 				}
 				if StderrSilent {