1 files changed, 3 insertions, 3 deletions
diff --git a/crypto/src/x509/X509V2AttributeCertificateGenerator.cs b/crypto/src/x509/X509V2AttributeCertificateGenerator.cs
index 8fd5dfdb9..bf046cd1e 100644
--- a/crypto/src/x509/X509V2AttributeCertificateGenerator.cs
+++ b/crypto/src/x509/X509V2AttributeCertificateGenerator.cs
@@ -1,15 +1,15 @@
 using System;
 using System.Collections;
+using System.IO;
 
 using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
 using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Crypto.Operators;
 using Org.BouncyCastle.Math;
 using Org.BouncyCastle.Security;
 using Org.BouncyCastle.Security.Certificates;
 using Org.BouncyCastle.Utilities;
-using Org.BouncyCastle.Crypto.Operators;
-using System.IO;
 
 namespace Org.BouncyCastle.X509
 {
@@ -172,7 +172,7 @@ namespace Org.BouncyCastle.X509
 
             streamCalculator.Stream.Write(encoded, 0, encoded.Length);
 
-            streamCalculator.Stream.Close();
+            Platform.Dispose(streamCalculator.Stream);
 
             Asn1EncodableVector v = new Asn1EncodableVector();