diff --git a/3x5.js b/3x5.js
index 1e1dd67..355aa05 100644
--- a/3x5.js
+++ b/3x5.js
@@ -83,13 +83,11 @@ const display = document.createElement("blockquote");
 const debugDisplay = document.createElement("pre");
 
 function render() {
-  const html = renderCard(
-    {
-      mode: "render",
-      output: "",
-    },
-    theCard.code
-  );
+  const vm = {
+    mode: /** @type {ScriptType} */ ("render"),
+    output: "",
+  };
+  const html = renderCard(vm, theCard.code);
 
   state.textContent = JSON.stringify(theCard, null, 2);
   display.innerHTML = html;