diff --git a/tests/public-performance.test.ts b/tests/public-performance.test.ts
index e2dd90d..09c488e 100644
--- a/tests/public-performance.test.ts
+++ b/tests/public-performance.test.ts
@@ -48,6 +48,7 @@ describe("public rendering performance", () => {
         allow: "/",
         disallow: ["/admin", "/api", "/register"],
       },
+      sitemap: "https://guide.example.test/sitemap.xml",
     });
   });
 });
diff --git a/vitest.config.mts b/vitest.config.mts
index ffd9d94..1d97f45 100644
--- a/vitest.config.mts
+++ b/vitest.config.mts
@@ -3,6 +3,9 @@ import { defineConfig } from "vitest/config";
 export default defineConfig({
   test: {
     environment: "node",
+    env: {
+      BASE_URL: "https://guide.sudloh.com",
+    },
     coverage: {
       provider: "v8",
       reporter: ["text", "json-summary"],