diff --git a/src/osx/cocoa/window.mm b/src/osx/cocoa/window.mm
index 062bdedffb..87429a2d14 100644
--- a/src/osx/cocoa/window.mm
+++ b/src/osx/cocoa/window.mm
@@ -2044,7 +2044,7 @@ wxWidgetCocoaImpl::ShowViewOrWindowWithEffect(wxWindow *win,
     {
         // what is a good default duration? Windows uses 200ms, Web frameworks
         // use anything from 250ms to 1s... choose something in the middle
-        timeout = 500;
+        timeout = 200;
     }
 
     [anim setDuration:timeout/1000.];   // duration is in seconds here