1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/src/asn1/x509/SubjectDirectoryAttributes.cs b/crypto/src/asn1/x509/SubjectDirectoryAttributes.cs
index c76d94d78..77923e0d2 100644
--- a/crypto/src/asn1/x509/SubjectDirectoryAttributes.cs
+++ b/crypto/src/asn1/x509/SubjectDirectoryAttributes.cs
@@ -43,7 +43,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return new SubjectDirectoryAttributes((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**