diff --git a/src/mac/carbon/app.cpp b/src/mac/carbon/app.cpp
index 052d9457e3..47a2e64f87 100644
--- a/src/mac/carbon/app.cpp
+++ b/src/mac/carbon/app.cpp
@@ -327,7 +327,8 @@ void wxApp::MacReopenApp()
             wxTopLevelWindow* win = (wxTopLevelWindow*) node->GetData();
             if ( !win->IsShown() )
             {
-                if ( firstHidden == NULL /* && wxDynamicCast( win, wxFrame ) */ )
+                // make sure we don't show 'virtual toplevel windows' like wxTaskBarIconWindow
+                if ( firstHidden == NULL && ( wxDynamicCast( win, wxFrame ) || wxDynamicCast( win, wxDialog ) ) )
                    firstHidden = win ;
             } 
             else if ( win->IsIconized() )