diff --git a/Lib/tkinter/test/support.py b/Lib/tkinter/test/support.py
index 1321c05..467a0b6 100644
--- a/Lib/tkinter/test/support.py
+++ b/Lib/tkinter/test/support.py
@@ -64,7 +64,7 @@
         def newtest(self):
             if get_tk_patchlevel() < version:
                 self.skipTest('requires Tcl version >= ' +
-                                '.'.join(map(str, get_tk_patchlevel())))
+                                '.'.join(map(str, version)))
             test(self)
         return newtest
     return deco