diff --git a/pkg/services/container/announcement/load/route/calls.go b/pkg/services/container/announcement/load/route/calls.go
index f0e4147f15..7ad6a83b37 100644
--- a/pkg/services/container/announcement/load/route/calls.go
+++ b/pkg/services/container/announcement/load/route/calls.go
@@ -2,6 +2,7 @@ package loadroute
 
 import (
 	"context"
+	"encoding/hex"
 	"sync"
 
 	"github.com/nspcc-dev/neofs-api-go/pkg/container"
@@ -110,13 +111,13 @@ func (w *loadWriter) Put(a container.UsedSpaceAnnouncement) error {
 	}
 
 	for _, remoteInfo := range routeValues.route {
-		var endpoint string
+		var key string
 
 		if remoteInfo != nil {
-			endpoint = remoteInfo.Address()
+			key = hex.EncodeToString(remoteInfo.PublicKey())
 		}
 
-		remoteWriter, ok := w.mServers[endpoint]
+		remoteWriter, ok := w.mServers[key]
 		if !ok {
 			provider, err := w.router.remoteProvider.InitRemote(remoteInfo)
 			if err != nil {
@@ -136,7 +137,7 @@ func (w *loadWriter) Put(a container.UsedSpaceAnnouncement) error {
 				continue // best effort
 			}
 
-			w.mServers[endpoint] = remoteWriter
+			w.mServers[key] = remoteWriter
 		}
 
 		err := remoteWriter.Put(a)
@@ -153,11 +154,11 @@ func (w *loadWriter) Put(a container.UsedSpaceAnnouncement) error {
 }
 
 func (w *loadWriter) Close() error {
-	for endpoint, wRemote := range w.mServers {
+	for key, wRemote := range w.mServers {
 		err := wRemote.Close()
 		if err != nil {
 			w.router.log.Debug("could not close remote server writer",
-				zap.String("endpoint", endpoint),
+				zap.String("key", key),
 				zap.String("error", err.Error()),
 			)
 		}