diff --git a/Makefile.pre.in b/Makefile.pre.in
index 490483a712014c..b28c6067a535b8 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -2075,6 +2075,8 @@ TESTSUBDIRS=	idlelib/idle_test \
 		test/test_importlib/resources/data01/subdirectory \
 		test/test_importlib/resources/data02 \
 		test/test_importlib/resources/data02/one \
+		test/test_importlib/resources/data02/subdirectory \
+		test/test_importlib/resources/data02/subdirectory/subsubdir \
 		test/test_importlib/resources/data02/two \
 		test/test_importlib/resources/data03 \
 		test/test_importlib/resources/data03/namespace \