diff --git a/tools/testing/selftests/filesystems/statmount/statmount_test.c b/tools/testing/selftests/filesystems/statmount/statmount_test.c
index 9d963e09e510..60c2c544db6a 100644
--- a/tools/testing/selftests/filesystems/statmount/statmount_test.c
+++ b/tools/testing/selftests/filesystems/statmount/statmount_test.c
@@ -82,6 +82,9 @@ static void cleanup_namespace(void)
 {
 	int ret;
 
+	if (f_mountinfo)
+		fclose(f_mountinfo);
+
 	ret = fchdir(orig_root);
 	if (ret == -1)
 		ksft_perror("fchdir to original root");