diff --git a/src/Windows/Avalonia.Win32/WindowImpl.cs b/src/Windows/Avalonia.Win32/WindowImpl.cs
index cc2e7211f1..8f7c4466b8 100644
--- a/src/Windows/Avalonia.Win32/WindowImpl.cs
+++ b/src/Windows/Avalonia.Win32/WindowImpl.cs
@@ -1184,6 +1184,7 @@ namespace Avalonia.Win32
         {
             if (!_shown)
             {
+                ExtendClientAreaToDecorationsChanged?.Invoke(_isClientAreaExtended);
                 return;
             }