diff --git a/test-match-trees.c b/test-match-trees.c
index 109f03e71..4dad7095f 100644
--- a/test-match-trees.c
+++ b/test-match-trees.c
@@ -6,6 +6,8 @@ int main(int ac, char **av)
 	unsigned char hash1[20], hash2[20], shifted[20];
 	struct tree *one, *two;
 
+	setup_git_directory();
+
 	if (get_sha1(av[1], hash1))
 		die("cannot parse %s as an object name", av[1]);
 	if (get_sha1(av[2], hash2))
diff --git a/test-revision-walking.c b/test-revision-walking.c
index 285f06b7f..3d0313354 100644
--- a/test-revision-walking.c
+++ b/test-revision-walking.c
@@ -50,6 +50,8 @@ int main(int argc, char **argv)
 	if (argc < 2)
 		return 1;
 
+	setup_git_directory();
+
 	if (!strcmp(argv[1], "run-twice")) {
 		printf("1st\n");
 		if (!run_revision_walk())