diff --git a/src/library/Syroot.Worms/Shims/System.IO.Stream.cs b/src/library/Syroot.Worms/Shims/System.IO.Stream.cs
index febd22e..475761d 100644
--- a/src/library/Syroot.Worms/Shims/System.IO.Stream.cs
+++ b/src/library/Syroot.Worms/Shims/System.IO.Stream.cs
@@ -22,7 +22,7 @@ namespace System.IO
         public static int Read(this Stream stream, Span<byte> buffer)
         {
             byte[] bytes = new byte[buffer.Length];
-            int bytesRead = stream.Read(bytes);
+            int bytesRead = stream.Read(bytes, 0, bytes.Length);
             bytes.AsSpan(0, bytesRead).CopyTo(buffer);
             return bytesRead;
         }