1 files changed, 1 insertions, 1 deletions

diff --git a/crypto/src/tsp/TimeStampRequest.cs b/crypto/src/tsp/TimeStampRequest.cs

index 6b9699379..f54d33e04 100644
--- a/crypto/src/tsp/TimeStampRequest.cs
+++ b/crypto/src/tsp/TimeStampRequest.cs
@@ -77,7 +77,7 @@ namespace Org.BouncyCastle.Tsp
 
 		public string MessageImprintAlgOid
 		{
-			get { return req.MessageImprint.HashAlgorithm.ObjectID.Id; }
+            get { return req.MessageImprint.HashAlgorithm.Algorithm.Id; }
 		}
 
 		public byte[] GetMessageImprintDigest()