diff --git a/Lib/idlelib/idle_test/test_searchbase.py b/Lib/idlelib/idle_test/test_searchbase.py
index 09a7fff51de1dc..6dd4d79337371d 100644
--- a/Lib/idlelib/idle_test/test_searchbase.py
+++ b/Lib/idlelib/idle_test/test_searchbase.py
@@ -32,6 +32,7 @@ def setUpClass(cls):
 
     @classmethod
     def tearDownClass(cls):
+        cls.root.update_idletasks()
         cls.root.destroy()
         del cls.root
 
@@ -149,7 +150,7 @@ def test_create_command_buttons(self):
         # Look for close button command in buttonframe
         closebuttoncommand = ''
         for child in self.dialog.buttonframe.winfo_children():
-            if child['text'] == 'close':
+            if child['text'] == 'Close':
                 closebuttoncommand = child['command']
         self.assertIn('close', closebuttoncommand)
 
diff --git a/Lib/idlelib/searchbase.py b/Lib/idlelib/searchbase.py
index f0e3d6f14ba49b..74ba8538512b9d 100644
--- a/Lib/idlelib/searchbase.py
+++ b/Lib/idlelib/searchbase.py
@@ -172,7 +172,7 @@ def create_command_buttons(self):
         f = self.buttonframe = Frame(self.top)
         f.grid(row=0,column=2,padx=2,pady=2,ipadx=2,ipady=2)
 
-        b = self.make_button("close", self.close)
+        b = self.make_button("Close", self.close)
         b.lower()