diff --git a/Makefile.pre.in b/Makefile.pre.in
index cf75650..0439193 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -939,7 +939,8 @@
 		logging bsddb bsddb/test csv importlib wsgiref \
 		lib2to3 lib2to3/fixes lib2to3/pgen2 lib2to3/tests \
 		lib2to3/tests/data lib2to3/tests/data/fixers lib2to3/tests/data/fixers/myfixes \
-		ctypes ctypes/test ctypes/macholib idlelib idlelib/Icons \
+		ctypes ctypes/test ctypes/macholib \
+		idlelib idlelib/Icons idlelib/idle_test \
 		distutils distutils/command distutils/tests $(XMLLIBSUBDIRS) \
 		multiprocessing multiprocessing/dummy \
 		unittest unittest/test \