diff --git a/server/server.go b/server/server.go
index f535b5f0a..2847a12fb 100644
--- a/server/server.go
+++ b/server/server.go
@@ -737,7 +737,7 @@ func (m *Command) setupLogger() error {
 	var f *logger.FileWriter
 	var err error
 	if m.Config.LogPath != "" {
-		f, err = logger.NewFileWriter(m.Config.LogPath)
+		f, err = logger.NewFileWriterMode(m.Config.LogPath, 0640)
 		if err != nil {
 			return errors.Wrap(err, "opening file")
 		}