diff --git a/lib/output.c b/lib/output.c
index 9ba049e2..2c40bc7f 100644
--- a/lib/output.c
+++ b/lib/output.c
@@ -413,6 +413,10 @@ void mp_print_output(mp_check check) { puts(mp_fmt_output(check)); }
  */
 void mp_exit(mp_check check) {
 	mp_print_output(check);
+	if (check.format == MP_FORMAT_TEST_JSON) {
+		exit(0);
+	}
+
 	exit(mp_compute_check_state(check));
 }