diff --git a/internal/neofs/tree.go b/internal/neofs/tree.go
index 9e84a771f..c985c703d 100644
--- a/internal/neofs/tree.go
+++ b/internal/neofs/tree.go
@@ -60,8 +60,6 @@ const (
 	maxGetSubTreeDepth = 10 // current limit on storage node side
 )
 
-var emptyOID oid.ID
-
 // NewTreeClient creates instance of TreeClient using provided address and create grpc connection.
 func NewTreeClient(addr string, key *keys.PrivateKey) (*TreeClient, error) {
 	conn, err := grpc.Dial(addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
@@ -309,6 +307,8 @@ func (c *TreeClient) getSubTreeLatestVersions(ctx context.Context, cnrID *cid.ID
 		return nil, err
 	}
 
+	var emptyOID oid.ID
+
 	latestVersions := make(map[string]*TreeNode, len(subTree))
 	for _, node := range subTree {
 		treeNode, err := newTreeNode(node)