diff --git a/basis/help/tips/tips-docs.factor b/basis/help/tips/tips-docs.factor
index f426a4978f..9a00ab02a6 100644
--- a/basis/help/tips/tips-docs.factor
+++ b/basis/help/tips/tips-docs.factor
@@ -1,6 +1,6 @@
 USING: debugger editors help help.apropos help.markup
 help.syntax help.vocabs memory see stack-checker
-tools.destructors tools.time ;
+tools.destructors tools.time ui.gadgets.theme.switching ;
 IN: help.tips
 
 TIP: "To look at the most recent error, run " { $link :error } ". To look at the most recent error's callstack, run " { $link :c } "." ;
diff --git a/basis/ui/gadgets/theme/theme.factor b/basis/ui/gadgets/theme/theme.factor
index f142caa96d..e36c0144c8 100644
--- a/basis/ui/gadgets/theme/theme.factor
+++ b/basis/ui/gadgets/theme/theme.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2009, 2010 Slava Pestov, Joe Groff.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: io.pathnames sequences ui.images vocabs ;
+USING: io.pathnames sequences ui.images vocabs namespaces ;
 IN: ui.gadgets.theme
 
 : theme-image ( name -- image-name )