diff --git a/tests/controls/windowtest.cpp b/tests/controls/windowtest.cpp
index ffc6fdf228..2dd6788ba1 100644
--- a/tests/controls/windowtest.cpp
+++ b/tests/controls/windowtest.cpp
@@ -142,7 +142,7 @@ void WindowTestCase::FocusEvent()
 
     m_window->SetFocus();
 
-    WX_ASSERT_EVENT_OCCURS(setfocus, 1);
+    WX_ASSERT_EVENT_OCCURS_IN(setfocus, 1, 500);
     CPPUNIT_ASSERT(m_window->HasFocus());
 
     wxButton* button = new wxButton(wxTheApp->GetTopWindow(), wxID_ANY);