diff --git a/basis/ui/backend/x11/x11.factor b/basis/ui/backend/x11/x11.factor
index 656826344c..4c977f17a4 100755
--- a/basis/ui/backend/x11/x11.factor
+++ b/basis/ui/backend/x11/x11.factor
@@ -7,7 +7,8 @@ namespaces sequences strings ui ui.backend ui.clipboards
 ui.event-loop ui.gadgets ui.gadgets.private ui.gadgets.worlds
 ui.gestures ui.pixel-formats ui.pixel-formats.private
 ui.private x11 x11.clipboard x11.constants x11.events x11.glx
-x11.io x11.windows x11.xim x11.xlib environment command-line ;
+x11.io x11.windows x11.xim x11.xlib environment command-line
+combinators.short-circuit ;
 IN: ui.backend.x11
 
 SINGLETON: x11-ui-backend