diff --git a/cmd/tools/vdoc/tests/vdoc_file_test.v b/cmd/tools/vdoc/tests/vdoc_file_test.v
index cfee24bb9a..254337cb4b 100644
--- a/cmd/tools/vdoc/tests/vdoc_file_test.v
+++ b/cmd/tools/vdoc/tests/vdoc_file_test.v
@@ -14,9 +14,9 @@ fn find_diff_cmd() string {
 	return diff.find_working_diff_command() or { '' }
 }
 
-fn test_vet() {
+fn test_vet() ? {
 	os.setenv('VCOLORS', 'never', true)
-	os.chdir(vroot)
+	os.chdir(vroot) ?
 	test_dir := 'cmd/tools/vdoc/tests/testdata'
 	main_files := get_main_files_in_dir(test_dir)
 	fails := check_path(vexe, test_dir, main_files)
diff --git a/cmd/tools/vsetup-freetype.v b/cmd/tools/vsetup-freetype.v
index c17ee6746a..16bbd2e2ea 100644
--- a/cmd/tools/vsetup-freetype.v
+++ b/cmd/tools/vsetup-freetype.v
@@ -11,7 +11,7 @@ fn main() {
 	$if windows {
 		println('Setup freetype...')
 		vroot := os.dir(pref.vexe_path())
-		os.chdir(vroot)
+		os.chdir(vroot) ?
 		if os.is_dir(freetype_folder) {
 			println('Thirdparty "freetype" is already installed.')
 		} else {
diff --git a/cmd/tools/vvet/vet_test.v b/cmd/tools/vvet/vet_test.v
index 3291f20c7d..f2c8523370 100644
--- a/cmd/tools/vvet/vet_test.v
+++ b/cmd/tools/vvet/vet_test.v
@@ -11,10 +11,10 @@ fn find_diff_cmd() string {
 	return res
 }
 
-fn test_vet() {
+fn test_vet() ? {
 	vexe := os.getenv('VEXE')
 	vroot := os.dir(vexe)
-	os.chdir(vroot)
+	os.chdir(vroot) ?
 	test_dir := 'cmd/tools/vvet/tests'
 	tests := get_tests_in_dir(test_dir)
 	fails := check_path(vexe, test_dir, tests)