diff --git a/Tools/idle/PopupMenu.py b/Tools/idle/PopupMenu.py
index d08b18d5b7a..82ee8e5ff20 100644
--- a/Tools/idle/PopupMenu.py
+++ b/Tools/idle/PopupMenu.py
@@ -83,4 +83,4 @@ def open_stack_viewer(self):
 
     def help(self):
         from HelpWindow import HelpWindow
-        HelpWindow()
+        HelpWindow(root=self.flist.root)