1 files changed, 1 insertions, 1 deletions

diff --git a/crypto/src/asn1/x9/DHValidationParms.cs b/crypto/src/asn1/x9/DHValidationParms.cs

index c63c50205..ec34f8912 100644
--- a/crypto/src/asn1/x9/DHValidationParms.cs
+++ b/crypto/src/asn1/x9/DHValidationParms.cs
@@ -17,7 +17,7 @@ namespace Org.BouncyCastle.Asn1.X9
 
 		public static DHValidationParms GetInstance(object obj)
 		{
-			if (obj == null || obj is DHDomainParameters)
+			if (obj == null || obj is DHValidationParms)
 				return (DHValidationParms)obj;
 
 			if (obj is Asn1Sequence)