diff --git a/library/ui/x11/ui.factor b/library/ui/x11/ui.factor
index 48f6c25ddb..ebbdb7e60f 100644
--- a/library/ui/x11/ui.factor
+++ b/library/ui/x11/ui.factor
@@ -1,8 +1,8 @@
 ! Copyright (C) 2005, 2006 Eduardo Cavazos and Slava Pestov
 ! See http://factorcode.org/license.txt for BSD license.
 IN: x11
-USING: arrays errors freetype gadgets
-gadgets-listener hashtables kernel kernel-internals math
+USING: arrays errors freetype gadgets gadgets-listener
+gadgets-workspace hashtables kernel kernel-internals math
 namespaces opengl sequences strings ;
 
 ! In the X11 backend, world-handle is a pair { window context }.