diff --git a/weed/glog/glog.go b/weed/glog/glog.go
index 352a7e185..7ee718e30 100644
--- a/weed/glog/glog.go
+++ b/weed/glog/glog.go
@@ -574,16 +574,15 @@ func (l *loggingT) formatHeader(s severity, file string, line int) *buffer {
 	buf.twoDigits(9, minute)
 	buf.tmp[11] = ':'
 	buf.twoDigits(12, second)
-	buf.tmp[14] = ' '
-	buf.nDigits(5, 15, pid, ' ') // TODO: should be TID
+	buf.tmp[14] = '.'
+	buf.nDigits(6, 15, now.Nanosecond()/1000, '0')
 	buf.tmp[20] = ' '
 	buf.Write(buf.tmp[:21])
 	buf.WriteString(file)
 	buf.tmp[0] = ':'
 	n := buf.someDigits(1, line)
-	buf.tmp[n+1] = ']'
-	buf.tmp[n+2] = ' '
-	buf.Write(buf.tmp[:n+3])
+	buf.tmp[n+1] = ' '
+	buf.Write(buf.tmp[:n+2])
 	return buf
 }