1 files changed, 3 insertions, 1 deletions
diff --git a/crypto/src/asn1/crmf/ProofOfPossession.cs b/crypto/src/asn1/crmf/ProofOfPossession.cs
index fc00edb32..8957169d7 100644
--- a/crypto/src/asn1/crmf/ProofOfPossession.cs
+++ b/crypto/src/asn1/crmf/ProofOfPossession.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Crmf
 {
     public class ProofOfPossession
@@ -41,7 +43,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1TaggedObject)
                 return new ProofOfPossession((Asn1TaggedObject)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         /** Creates a ProofOfPossession with type raVerified. */