diff --git a/pkg/local_object_storage/engine/put.go b/pkg/local_object_storage/engine/put.go
index 062b11a01..97c7d3307 100644
--- a/pkg/local_object_storage/engine/put.go
+++ b/pkg/local_object_storage/engine/put.go
@@ -46,14 +46,14 @@ func (e *StorageEngine) Put(prm *PutPrm) (*PutRes, error) {
 
 	// save the object into the "largest" possible shard
 	for _, sh := range sortedShards {
-		_, err := sh.Put(
+		_, err := sh.sh.Put(
 			shPrm.WithObject(prm.obj),
 		)
 
 		if err != nil {
 			// TODO: smth wrong with shard, need to be processed
 			e.log.Warn("could not save object in shard",
-				zap.Stringer("shard", sh.ID()),
+				zap.Stringer("shard", sh.sh.ID()),
 				zap.String("error", err.Error()),
 			)
 		} else {
@@ -64,11 +64,11 @@ func (e *StorageEngine) Put(prm *PutPrm) (*PutRes, error) {
 	return nil, errPutShard
 }
 
-func (e *StorageEngine) objectExists(obj *object.Object, shards []*shard.Shard) bool {
+func (e *StorageEngine) objectExists(obj *object.Object, shards []hashedShard) bool {
 	exists := false
 
 	for _, sh := range shards {
-		res, err := sh.Exists(
+		res, err := sh.sh.Exists(
 			new(shard.ExistsPrm).
 				WithAddress(obj.Address()),
 		)
diff --git a/pkg/local_object_storage/engine/shards.go b/pkg/local_object_storage/engine/shards.go
index a6cf3db30..5bde2759e 100644
--- a/pkg/local_object_storage/engine/shards.go
+++ b/pkg/local_object_storage/engine/shards.go
@@ -12,6 +12,10 @@ import (
 
 var errShardNotFound = errors.New("shard not found")
 
+type hashedShard struct {
+	sh *shard.Shard
+}
+
 // AddShard adds a new shard to the storage engine.
 //
 // Returns any error encountered that did not allow adding a shard.
@@ -50,15 +54,15 @@ func (e *StorageEngine) shardWeight(sh *shard.Shard) float64 {
 	return float64(weightValues.FreeSpace)
 }
 
-func (e *StorageEngine) sortShardsByWeight(objAddr fmt.Stringer) []*shard.Shard {
+func (e *StorageEngine) sortShardsByWeight(objAddr fmt.Stringer) []hashedShard {
 	e.mtx.RLock()
 	defer e.mtx.RUnlock()
 
-	shards := make([]*shard.Shard, 0, len(e.shards))
+	shards := make([]hashedShard, 0, len(e.shards))
 	weights := make([]float64, 0, len(e.shards))
 
 	for _, sh := range e.shards {
-		shards = append(shards, sh)
+		shards = append(shards, hashedShard{sh})
 		weights = append(weights, e.shardWeight(sh))
 	}
 
@@ -69,7 +73,7 @@ func (e *StorageEngine) sortShardsByWeight(objAddr fmt.Stringer) []*shard.Shard
 
 func (e *StorageEngine) iterateOverSortedShards(addr *object.Address, handler func(*shard.Shard) (stop bool)) {
 	for _, sh := range e.sortShardsByWeight(addr) {
-		if handler(sh) {
+		if handler(sh.sh) {
 			break
 		}
 	}
@@ -90,3 +94,9 @@ func (e *StorageEngine) SetShardMode(id *shard.ID, m shard.Mode) error {
 
 	return errShardNotFound
 }
+
+func (s hashedShard) Hash() uint64 {
+	return hrw.Hash(
+		[]byte(s.sh.ID().String()),
+	)
+}