diff --git a/src/AudacityApp.cpp b/src/AudacityApp.cpp
index 1c2715635..b949fb7c5 100644
--- a/src/AudacityApp.cpp
+++ b/src/AudacityApp.cpp
@@ -262,6 +262,8 @@ void QuitAudacity(bool bForce)
 
    gIsQuitting = true;
 
+   wxTheApp->SetExitOnFrameDelete(true);
+
    // Try to close each open window.  If the user hits Cancel
    // in a Save Changes dialog, don't continue.
    // BG: unless force is true