diff --git a/tests/test.c b/tests/test.c
index 8f295acc1..c74c1480e 100644
--- a/tests/test.c
+++ b/tests/test.c
@@ -402,6 +402,7 @@ struct Test tests[] = {
     TEST_CASE(test_bs_int_unaligned),
     TEST_CASE(test_bs_start_match_live),
     TEST_CASE(test_bs_utf),
+    TEST_CASE_EXPECTED(bs_append_extra_words, 1),
     TEST_CASE(test_catch),
     TEST_CASE(test_gc),
     TEST_CASE_EXPECTED(test_raise, 7),