diff --git a/Hcs.Broker/Api/Request/GostSigningMessageInspector.cs b/Hcs.Broker/Api/Request/GostSigningMessageInspector.cs
index a488e5b..3bf8446 100644
--- a/Hcs.Broker/Api/Request/GostSigningMessageInspector.cs
+++ b/Hcs.Broker/Api/Request/GostSigningMessageInspector.cs
@@ -33,7 +33,7 @@ namespace Hcs.Broker.Api.Request
                 }
                 else
                 {
-                    client.TryLog($"{filterHeader} Signing message with key [{client.Certificate.FriendlyName}]...");
+                    client.TryLog($"{filterHeader} Signing message with key [{client.Certificate}]...");
 
                     var stopwatch = System.Diagnostics.Stopwatch.StartNew();