diff --git a/Lib/idlelib/configDialog.py b/Lib/idlelib/configDialog.py
index 20ed827..6482119 100644
--- a/Lib/idlelib/configDialog.py
+++ b/Lib/idlelib/configDialog.py
@@ -30,6 +30,7 @@
         self.wm_withdraw()
 
         self.configure(borderwidth=5)
+        self.title('IDLE Preferences')
         self.geometry("+%d+%d" % (parent.winfo_rootx()+20,
                 parent.winfo_rooty()+30))
         #Theme Elements. Each theme element key is its display name.