diff --git a/examples/useContext.html b/examples/useContext.html
index 2e736c377..e7213e10d 100644
--- a/examples/useContext.html
+++ b/examples/useContext.html
@@ -49,8 +49,8 @@
if (!BI.isNumber(pix)) {
return pix;
}
- return `calc(var(--css-scale) * ${pix}px - ${border || 0}})`;
- }
+ return "calc(var(--css-scale) * " + pix + "px)";
+ };
var Child = BI.inherit(BI.Widget, {
render: function () {