diff --git a/Makefile.pre.in b/Makefile.pre.in
index bea163debd9..1561841dba0 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -832,7 +832,8 @@ PLATMACDIRS= plat-mac plat-mac/Carbon plat-mac/lib-scriptpackages \
 	plat-mac/lib-scriptpackages/SystemEvents \
 	plat-mac/lib-scriptpackages/Terminal 
 PLATMACPATH=:plat-mac:plat-mac/lib-scriptpackages
-LIBSUBDIRS=	lib-tk site-packages test test/data \
+LIBSUBDIRS=	lib-tk lib-tk/test lib-tk/test/test_tkinter \
+                lib-tk/test/test_ttk site-packages test test/data \
 		test/decimaltestdata test/xmltestdata \
 		encodings compiler hotshot \
 		email email/mime email/test email/test/data \