diff --git a/extra/bitcoin/client/client-docs.factor b/extra/bitcoin/client/client-docs.factor
index 212231b5c6..1df485a73d 100644
--- a/extra/bitcoin/client/client-docs.factor
+++ b/extra/bitcoin/client/client-docs.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2010 Chris Double.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: help.markup help.syntax kernel math sequences strings ;
+USING: assocs help.markup help.syntax kernel math sequences strings ;
 IN: bitcoin.client
 
 HELP: bitcoin-server