diff --git a/unfurler/src/index.ts b/unfurler/src/index.ts
index 166b86158..aaa72b163 100644
--- a/unfurler/src/index.ts
+++ b/unfurler/src/index.ts
@@ -343,7 +343,7 @@ class Server {
     <meta charset="utf-8">
     <title>${ogTitle}</title>
     <link rel="canonical" href="${canonical}" />
-    <meta name="description" content="The Mempool Open Source Project® - Explore the full Bitcoin ecosystem with mempool.space®"/>
+    <meta name="description" content="The Mempool Open Source Project&reg; - Explore the full Bitcoin ecosystem with mempool.space&reg;"/>
     <meta property="og:image" content="${ogImageUrl}"/>
     <meta property="og:image:type" content="image/png"/>
     <meta property="og:image:width" content="${matchedRoute.render ? 1200 : 1000}"/>