diff --git a/Hcs.Broker/Api/Request/GostSigningMessageInspector.cs b/Hcs.Broker/Api/Request/GostSigningMessageInspector.cs
index 0f9c27c..8a64c24 100644
--- a/Hcs.Broker/Api/Request/GostSigningMessageInspector.cs
+++ b/Hcs.Broker/Api/Request/GostSigningMessageInspector.cs
@@ -142,6 +142,8 @@ namespace Hcs.Broker.Api.Request
                 signedXml.SignatureNodePrefix = "ds";
             }
 
+            signedXml.XadesProperties = XadesPropertiesFlags.UseSigningCertificateV1;
+
             signedXml.ComputeXadesSignature();
 
             var xmlDigitalSignature = signedXml.GetXml();