diff --git a/basis/vocabs/hierarchy/hierarchy.factor b/basis/vocabs/hierarchy/hierarchy.factor
index b9f9bb2e9b..aa3e619660 100644
--- a/basis/vocabs/hierarchy/hierarchy.factor
+++ b/basis/vocabs/hierarchy/hierarchy.factor
@@ -107,7 +107,7 @@ MEMO: all-vocabs-recursive ( -- assoc )
 PRIVATE>
 
 : (load) ( prefix -- failures )
-    child-vocabs-recursive
+    child-vocabs-recursive no-roots no-prefixes
     filter-unportable
     require-all ;