diff --git a/Modules/Setup.dist b/Modules/Setup.dist
index 3964107..d1fb695 100644
--- a/Modules/Setup.dist
+++ b/Modules/Setup.dist
@@ -79,6 +79,9 @@
 # Path components for machine- or system-dependent modules and shared libraries
 MACHDEPPATH=:plat-$(MACHDEP)
 
+# Path component for the Tkinter-related modules
+TKPATH=:lib-tk
+
 COREPYTHONPATH=$(DESTPATH)$(SITEPATH)$(TESTPATH)$(MACHDEPPATH)$(TKPATH)
 PYTHONPATH=$(COREPYTHONPATH)