diff --git a/src/worker.ts b/src/worker.ts
index 8f33783..73d6e49 100644
--- a/src/worker.ts
+++ b/src/worker.ts
@@ -342,9 +342,9 @@ const versionRequest = async (request: IRequest) => {
   return new Response(
     Strings.VERSION_HTML.format({
       rtt: request.cf?.clientTcpRtt ? `🏓 ${request.cf.clientTcpRtt} ms RTT` : '',
-      colo: request.cf?.colo ?? '??',
-      httpversion: request.cf?.httpProtocol ?? 'Unknown HTTP Version',
-      tlsversion: request.cf?.tlsVersion ?? 'Unknown TLS Version',
+      colo: request.cf?.colo as string ?? '??',
+      httpversion: request.cf?.httpProtocol as string ?? 'Unknown HTTP Version',
+      tlsversion: request.cf?.tlsVersion as string ?? 'Unknown TLS Version',
       ip:
         request.headers.get('x-real-ip') ??
         request.headers.get('cf-connecting-ip') ??