diff --git a/server.ts b/server.ts
index df92ae8..2172ecd 100644
--- a/server.ts
+++ b/server.ts
@@ -61,7 +61,7 @@ app.use('/*', async function (req, res) {
   <meta property="og:url" content="${url}">
   <meta property="og:title" content="${title}">
   <meta property="og:description" content="${description}">
-  <meta property="og:image" content="${url}/img/card-opengraph.jpg">
+  <meta property="og:image" content="${url}/img/card-opengraph.png">
   <meta property="og:site_name" content="${title}">
 
   <meta name="twitter:card" content="summary_large_image">