diff --git a/src/SharpCompress/IO/NonDisposingStream.cs b/src/SharpCompress/IO/NonDisposingStream.cs
index a68ae145..20bbc028 100644
--- a/src/SharpCompress/IO/NonDisposingStream.cs
+++ b/src/SharpCompress/IO/NonDisposingStream.cs
@@ -62,7 +62,7 @@ namespace SharpCompress.IO
 
         public override int Read(Span<byte> buffer)
         {
-            Stream.Read(buffer);
+            return Stream.Read(buffer);
         }
 
         public override void Write(ReadOnlySpan<byte> buffer)