diff --git a/pkg/local_object_storage/engine/lock.go b/pkg/local_object_storage/engine/lock.go
index 5d43e59df1..18fff9cad8 100644
--- a/pkg/local_object_storage/engine/lock.go
+++ b/pkg/local_object_storage/engine/lock.go
@@ -84,17 +84,11 @@ func (e *StorageEngine) lockSingle(ctx context.Context, idCnr cid.ID, locker, lo
 				var siErr *objectSDK.SplitInfoError
 				var eiErr *objectSDK.ECInfoError
 				if errors.As(err, &eiErr) {
-					eclocked := []oid.ID{locked}
-					for _, chunk := range eiErr.ECInfo().Chunks {
-						var objID oid.ID
-						err = objID.ReadFromV2(chunk.ID)
-						if err != nil {
-							e.reportShardError(ctx, sh, "could not lock object in shard", err, zap.Stringer("container_id", idCnr),
-								zap.Stringer("locker_id", locker), zap.Stringer("locked_id", locked))
-							return false
-						}
-						eclocked = append(eclocked, objID)
+					eclocked, ok := e.checkECLocked(ctx, sh, idCnr, locker, locked, eiErr)
+					if !ok {
+						return false
 					}
+
 					err = sh.Lock(ctx, idCnr, locker, eclocked)
 					if err != nil {
 						e.reportShardError(ctx, sh, "could not lock object in shard", err, zap.Stringer("container_id", idCnr),
@@ -137,3 +131,18 @@ func (e *StorageEngine) lockSingle(ctx context.Context, idCnr cid.ID, locker, lo
 	})
 	return
 }
+
+func (e *StorageEngine) checkECLocked(ctx context.Context, sh hashedShard, idCnr cid.ID, locker, locked oid.ID, eiErr *objectSDK.ECInfoError) ([]oid.ID, bool) {
+	eclocked := []oid.ID{locked}
+	for _, chunk := range eiErr.ECInfo().Chunks {
+		var objID oid.ID
+		err := objID.ReadFromV2(chunk.ID)
+		if err != nil {
+			e.reportShardError(ctx, sh, "could not lock object in shard", err, zap.Stringer("container_id", idCnr),
+				zap.Stringer("locker_id", locker), zap.Stringer("locked_id", locked))
+			return nil, false
+		}
+		eclocked = append(eclocked, objID)
+	}
+	return eclocked, true
+}