diff --git a/src/System.Windows.Forms/src/System/Windows/Forms/DataObject.cs b/src/System.Windows.Forms/src/System/Windows/Forms/DataObject.cs
index 5d84050acef..054c8151f54 100644
--- a/src/System.Windows.Forms/src/System/Windows/Forms/DataObject.cs
+++ b/src/System.Windows.Forms/src/System/Windows/Forms/DataObject.cs
@@ -973,6 +973,7 @@ private unsafe int SaveStreamToHandle(ref IntPtr handle, Stream stream)
             try
             {
                 var span = new Span<byte>(ptr.ToPointer(), size);
+                stream.Position = 0;
                 stream.Read(span);
             }
             finally