diff --git a/lib/ui.ks b/lib/ui.ks
index 29d81c4..b79b009 100644
--- a/lib/ui.ks
+++ b/lib/ui.ks
@@ -20,7 +20,7 @@ function MakeToggle {
 
   local btn is p:AddButton(l).
   set btn:TOGGLE to true.
-  set btn:onClick to f.
+  set btn:onToggle to f.
   return btn.
 }