diff --git a/t/spectest.data b/t/spectest.data
index c6f0ee4900d..f9ac6dcd1a2 100644
--- a/t/spectest.data
+++ b/t/spectest.data
@@ -392,4 +392,5 @@ S32-str/trim.t
 S32-str/ucfirst.t
 S32-str/uc.t                                               # icu
 S32-str/unpack.t
+S32-str/words.t
 S32-trig/trig.t