diff --git a/src/dlangui/platforms/windows/winapp.d b/src/dlangui/platforms/windows/winapp.d
index 4f1c2f4b..4d2781bd 100644
--- a/src/dlangui/platforms/windows/winapp.d
+++ b/src/dlangui/platforms/windows/winapp.d
@@ -282,6 +282,9 @@ class Win32Window : Window {
             _dy = screenRc.height;
             ws = WS_POPUP;
         }
+        if (flags & WindowFlag.Borderless) {
+            ws = WS_POPUP | WS_SYSMENU;
+        }
 
 
         _hwnd = CreateWindowW(toUTF16z(WIN_CLASS_NAME),      // window class name