diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 1f0f700a68..b1e1178792 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -675,7 +675,7 @@ wxWindowMSW::MSWShowWithEffect(bool show,
                                unsigned timeout)
 {
 #if wxUSE_DYNLIB_CLASS
-    if ( effect == wxSHOW_EFFECT_NONE )
+    if ( effect == wxSHOW_EFFECT_NONE || !IsShownOnScreen() )
         return Show(show);
 
     if ( !wxWindowBase::Show(show) )