diff --git a/cmd/notification.go b/cmd/notification.go
index 4585c2806..19c2bc0a9 100644
--- a/cmd/notification.go
+++ b/cmd/notification.go
@@ -460,6 +460,7 @@ func (sys *NotificationSys) GetLocks(ctx context.Context, r *http.Request) []*Pe
 	g := errgroup.WithNErrs(len(sys.peerClients))
 	for index, client := range sys.peerClients {
 		index := index
+		client := client
 		g.Go(func() error {
 			if client == nil {
 				return errPeerNotReachable