diff --git a/authn/authenticate.go b/authn/authenticate.go
index f4d1a8cb8..123446893 100644
--- a/authn/authenticate.go
+++ b/authn/authenticate.go
@@ -34,7 +34,7 @@ func NewAuth(logger logger.Logger, url string, scopes []string, authUrl, tokenUr
 	auth := &Auth{
 		logger:         logger,
 		cookieName:     "molecula-chip",
-		refreshWithin:  time.Minute * time.Duration(15),
+		refreshWithin:  15 * time.Minute,
 		groupEndpoint:  groupEndpoint,
 		logoutEndpoint: logout,
 		fbURL:          url,
diff --git a/server/server.go b/server/server.go
index a322e2938..fd7475237 100644
--- a/server/server.go
+++ b/server/server.go
@@ -632,11 +632,8 @@ func (m *Command) setupQueryLogger() error {
 	sighup := make(chan os.Signal, 1)
 	signal.Notify(sighup, syscall.SIGHUP)
 	go func() {
-		for {
-			// reopen log file on SIGHUP
-			<-sighup
-			err = f.Reopen()
-			if err != nil {
+		for range sighup {
+			if err := f.Reopen(); err != nil {
 				m.querylogger.Infof("reopen: %s\n", err.Error())
 			}
 		}