1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/src/cms/CMSProcessableInputStream.cs b/crypto/src/cms/CMSProcessableInputStream.cs
index 6dff7c212..b2abd6f71 100644
--- a/crypto/src/cms/CMSProcessableInputStream.cs
+++ b/crypto/src/cms/CMSProcessableInputStream.cs
@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 
+using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.IO;
 
 namespace Org.BouncyCastle.Cms
@@ -29,7 +30,7 @@ namespace Org.BouncyCastle.Cms
 			CheckSingleUsage();
 
 			Streams.PipeAll(input, output);
-			input.Close();
+            Platform.Dispose(input);
 		}
 
         [Obsolete]