diff --git a/core/product_config.rbc b/core/product_config.rbc
index f26b428..39f9189 100644
--- a/core/product_config.rbc
+++ b/core/product_config.rbc
@@ -748,4 +748,5 @@
     setdefault = _setdefault,
     shell = rblf_shell,
     warning = _mkwarning,
+    words = __words,
 )