diff --git a/src/app.ts b/src/app.ts
index ba1a65e..d902b1e 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -38,6 +38,7 @@ const APP_PORT = +(process.env.APP_PORT || 3000);
     "/api-docs",
     apiReference({
       theme: "kepler",
+      layout: "classic",
       spec: { url: "/api/openapi" },
       cdn: "https://cdn.jsdelivr.net/npm/@scalar/api-reference@1.25.74",
     }),