diff --git a/pool/object_put_pool_transformer.go b/pool/object_put_pool_transformer.go
index 52c6813..099a12d 100644
--- a/pool/object_put_pool_transformer.go
+++ b/pool/object_put_pool_transformer.go
@@ -110,16 +110,11 @@ func (it *internalTarget) WriteObject(ctx context.Context, o *object.Object) err
 }
 
 func (it *internalTarget) putAsStream(ctx context.Context, o *object.Object) error {
-	var cliPrm sdkClient.PrmObjectPutInit
-	cliPrm.SetCopiesNumberByVectors(it.prm.copiesNumber)
-	if it.prm.stoken != nil {
-		cliPrm.WithinSession(*it.prm.stoken)
-	}
-	if it.prm.key != nil {
-		cliPrm.UseKey(*it.prm.key)
-	}
-	if it.prm.btoken != nil {
-		cliPrm.WithBearerToken(*it.prm.btoken)
+	cliPrm := sdkClient.PrmObjectPutInit{
+		CopiesNumber: it.prm.copiesNumber,
+		Session:      it.prm.stoken,
+		Key:          it.prm.key,
+		BearerToken:  it.prm.btoken,
 	}
 
 	wrt, err := it.client.ObjectPutInit(ctx, cliPrm)
@@ -141,16 +136,13 @@ func (it *internalTarget) tryPutSingle(ctx context.Context, o *object.Object) (b
 	if it.useStream {
 		return false, nil
 	}
-	var cliPrm sdkClient.PrmObjectPutSingle
-	cliPrm.SetCopiesNumber(it.prm.copiesNumber)
-	cliPrm.UseKey(it.prm.key)
-	if it.prm.stoken != nil {
-		cliPrm.WithinSession(*it.prm.stoken)
+	cliPrm := sdkClient.PrmObjectPutSingle{
+		CopiesNumber: it.prm.copiesNumber,
+		Key:          it.prm.key,
+		Session:      it.prm.stoken,
+		BearerToken:  it.prm.btoken,
+		Object:       o,
 	}
-	if it.prm.btoken != nil {
-		cliPrm.WithBearerToken(*it.prm.btoken)
-	}
-	cliPrm.SetObject(o.ToV2())
 
 	res, err := it.client.ObjectPutSingle(ctx, cliPrm)
 	if err != nil && status.Code(err) == codes.Unimplemented {