diff --git a/README.md b/README.md
index adf9647cc2..6b2fa5d0f5 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ Install stable releases via Nuget; development releases are available via MyGet.
 
 | Package Name                   | Release (NuGet) | Nightly (MyGet) |
 |--------------------------------|-----------------|-----------------|
-| `SixLabors.ImageSharp`         | [![NuGet](https://img.shields.io/nuget/v/SixLabors.ImageSharp.svg)](https://www.nuget.org/packages/SixLabors.ImageSharp/) | [![MyGet](https://img.shields.io/myget/sixlabors/v/SixLabors.ImageSharp.svg)](https://www.myget.org/feed/sixlabors/package/nuget/SixLabors.ImageSharp) |
+| `SixLabors.ImageSharp`         | [![NuGet](https://img.shields.io/nuget/v/SixLabors.ImageSharp.svg)](https://www.nuget.org/packages/SixLabors.ImageSharp/) | [![MyGet](https://img.shields.io/myget/sixlabors/vpre/SixLabors.ImageSharp.svg)](https://www.myget.org/feed/sixlabors/package/nuget/SixLabors.ImageSharp) |
 
 ## Manual build
 
diff --git a/src/ImageSharp/IO/ChunkedMemoryStream.cs b/src/ImageSharp/IO/ChunkedMemoryStream.cs
index 2d895245c7..9a2d75276c 100644
--- a/src/ImageSharp/IO/ChunkedMemoryStream.cs
+++ b/src/ImageSharp/IO/ChunkedMemoryStream.cs
@@ -18,7 +18,7 @@ namespace SixLabors.ImageSharp.IO
         /// <summary>
         /// The default length in bytes of each buffer chunk.
         /// </summary>
-        public const int DefaultBufferLength = 81920;
+        public const int DefaultBufferLength = 128 * 1024;
 
         // The memory allocator.
         private readonly MemoryAllocator allocator;