diff --git a/src/AudacityApp.cpp b/src/AudacityApp.cpp
index 39f00afe5..411145022 100644
--- a/src/AudacityApp.cpp
+++ b/src/AudacityApp.cpp
@@ -1243,6 +1243,7 @@ bool AudacityApp::OnInit()
    if( pWnd )
    {
       project->Show( false );
+      pWnd->SetParent( project );
       SetTopWindow(pWnd);
       pWnd->Show( true );
    }