diff --git a/src/Windows/Avalonia.Win32/Win32Platform.cs b/src/Windows/Avalonia.Win32/Win32Platform.cs
index 56da4ccb88..d923f38275 100644
--- a/src/Windows/Avalonia.Win32/Win32Platform.cs
+++ b/src/Windows/Avalonia.Win32/Win32Platform.cs
@@ -240,6 +240,7 @@ namespace Avalonia.Win32
             using (var memoryStream = new MemoryStream())
             {
                 bitmap.Save(memoryStream);
+                memoryStream.Seek(0, SeekOrigin.Begin);
                 return new IconImpl(memoryStream);
             }
         }