diff --git a/Lib/test/test_tcl.py b/Lib/test/test_tcl.py
index 26e294c..7690fe1 100644
--- a/Lib/test/test_tcl.py
+++ b/Lib/test/test_tcl.py
@@ -4,9 +4,15 @@
 import os
 import _tkinter
 from test import test_support
-from Tkinter import Tcl
+from Tkinter import Tk, Tcl
 from _tkinter import TclError
 
+# Restore Tkinter.Tk._loadtk that may have been overridden by ttk.
+# If this is not done then this test may fail for reasons related
+# to ttk only (like failing to load the tile package).
+from ttk import __loadtk__
+Tk._loadtk = __loadtk__
+
 
 class TkinterTest(unittest.TestCase):