diff --git a/Lib/lib-tk/FixTk.py b/Lib/lib-tk/FixTk.py
index b622006..804c75f 100644
--- a/Lib/lib-tk/FixTk.py
+++ b/Lib/lib-tk/FixTk.py
@@ -1,4 +1,5 @@
-import sys, os
-v = os.path.join(sys.prefix, "tcl", "tcl8.3")
+import sys, os, _tkinter
+ver = str(_tkinter.TCL_VERSION)
+v = os.path.join(sys.prefix, "tcl", "tcl"+ver)
 if os.path.exists(os.path.join(v, "init.tcl")):
     os.environ["TCL_LIBRARY"] = v