diff --git a/src/web/utils.ts b/src/web/utils.ts
index 65aa456..ddee0c1 100644
--- a/src/web/utils.ts
+++ b/src/web/utils.ts
@@ -3,7 +3,7 @@ import { IncomingMessage } from "http";
 export const reqToBasePath = (req: IncomingMessage) => {
   if (process.env.NEXT_PUBLIC_VERCEL_URL) {
     console.log(process.env.NEXT_PUBLIC_VERCEL_URL);
-    return process.env.NEXT_PUBLIC_VERCEL_URL;
+    return `https://${process.env.NEXT_PUBLIC_VERCEL_URL}`;
   }
 
   // we could just hardcode http://localhost:3000 here, but then `next dev -p <CUSTOM_PORT>` would break