diff --git a/src/Fl_Window.cxx b/src/Fl_Window.cxx
index 27ff2ae9d..0b4961062 100644
--- a/src/Fl_Window.cxx
+++ b/src/Fl_Window.cxx
@@ -74,6 +74,7 @@ Fl_Window::Fl_Window(int X,int Y,int W, int H, const char *l) :
 {
   _Fl_Window();
   set_flag(FORCE_POSITION);
+  if (!parent()) clear_visible();
 }