1 files changed, 1 insertions, 1 deletions
diff --git a/lib/js/urweb.js b/lib/js/urweb.js
index 3829cdb2..a6ea21c1 100644
--- a/lib/js/urweb.js
+++ b/lib/js/urweb.js
@@ -894,7 +894,7 @@ function chk(s) {
     var x = input(document.createElement("input"), s,
                   function(x) { return function(v) { if (x.checked != v) x.checked = v; }; }, "checkbox");
     x.defaultChecked = x.checked = s.data;
-    x.onclick = function() { sv(s, x.checked) };
+    x.onclick = x.onkeyup = x.oninput = x.onchange = x.onpropertychange = function() { sv(s, x.checked) };
 
     return x;
 }