diff --git a/src/ui/web/html.js b/src/ui/web/html.js
index 112f76c0..754e3ebe 100644
--- a/src/ui/web/html.js
+++ b/src/ui/web/html.js
@@ -1,4 +1,7 @@
 export function setAttribute(el, name, value) {
+    if (name === "className") {
+        name = "class";
+    }
     el.setAttribute(name, value);
 }