diff --git a/Lib/idlelib/configdialog.py b/Lib/idlelib/configdialog.py
index 6dc075fbadadf2..a27076b0622a8e 100644
--- a/Lib/idlelib/configdialog.py
+++ b/Lib/idlelib/configdialog.py
@@ -47,7 +47,7 @@ def __init__(self, parent, title='', _htest=False, _utest=False):
         self.parent = parent
         if _htest:
             parent.instance_dict = {}
-        self.withdraw()
+        self.wm_withdraw()
 
         self.configure(borderwidth=5)
         self.title(title or 'IDLE Preferences')