diff --git a/basis/validators/validators-docs.factor b/basis/validators/validators-docs.factor
index 8c78d6a0db..4f03fa915b 100644
--- a/basis/validators/validators-docs.factor
+++ b/basis/validators/validators-docs.factor
@@ -1,5 +1,5 @@
 USING: help.markup help.syntax io.streams.string quotations 
-strings math regexp ;
+strings math regexp regexp.backend ;
 IN: validators
 
 HELP: v-captcha