diff --git a/src/Windows/Perspex.Win32/SystemDialogImpl.cs b/src/Windows/Perspex.Win32/SystemDialogImpl.cs
index 71b0b58e87..7ba493b3d3 100644
--- a/src/Windows/Perspex.Win32/SystemDialogImpl.cs
+++ b/src/Windows/Perspex.Win32/SystemDialogImpl.cs
@@ -41,6 +41,8 @@ namespace Perspex.Win32
 
                 var defExt = (dialog as SaveFileDialog)?.DefaultExtension;
                 var buffer = new char[256];
+                dialog.InitialFileName?.CopyTo(0, buffer, 0, dialog.InitialFileName.Length);
+
                 fixed (char* pBuffer = buffer)
                 fixed (char* pFilterBuffer = filterBuffer)
                 fixed (char* pDefExt = defExt)