1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/src/asn1/cms/SignerInfo.cs b/crypto/src/asn1/cms/SignerInfo.cs
index a4e893d96..b6bd319b0 100644
--- a/crypto/src/asn1/cms/SignerInfo.cs
+++ b/crypto/src/asn1/cms/SignerInfo.cs
@@ -1,8 +1,8 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -26,7 +26,7 @@ namespace Org.BouncyCastle.Asn1.Cms
             if (obj is Asn1Sequence)
                 return new SignerInfo((Asn1Sequence) obj);
 
-            throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+            throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
         public SignerInfo(