diff --git a/app/components/CodeBlock.tsx b/app/components/CodeBlock.tsx
index a9a5af367..c53d5340c 100644
--- a/app/components/CodeBlock.tsx
+++ b/app/components/CodeBlock.tsx
@@ -18,6 +18,7 @@ function isLanguageSupported(lang: string): lang is Language {
     lang === 'cpp' ||
     lang === 'css' ||
     lang === 'javascript' ||
+    lang === 'js' ||
     lang === 'jsx' ||
     lang === 'coffeescript' ||
     lang === 'actionscript' ||