1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/src/asn1/crmf/CertId.cs b/crypto/src/asn1/crmf/CertId.cs
index 10c2cc8b4..f0cc94691 100644
--- a/crypto/src/asn1/crmf/CertId.cs
+++ b/crypto/src/asn1/crmf/CertId.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Crmf
 {
@@ -24,7 +25,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1Sequence)
                 return new CertId((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public static CertId GetInstance(Asn1TaggedObject obj, bool isExplicit)