diff --git a/packages/app/e2e/utils.ts b/packages/app/e2e/utils.ts
index ec6cdf830..e015a1e9b 100644
--- a/packages/app/e2e/utils.ts
+++ b/packages/app/e2e/utils.ts
@@ -1,7 +1,7 @@
 import { createOpencodeClient } from "@opencode-ai/sdk/v2/client"
 import { base64Encode } from "@opencode-ai/util/encode"
 
-export const serverHost = process.env.PLAYWRIGHT_SERVER_HOST ?? "localhost"
+export const serverHost = process.env.PLAYWRIGHT_SERVER_HOST ?? "127.0.0.1"
 export const serverPort = process.env.PLAYWRIGHT_SERVER_PORT ?? "4096"
 
 export const serverUrl = `http://${serverHost}:${serverPort}`
diff --git a/packages/app/playwright.config.ts b/packages/app/playwright.config.ts
index ea85829e0..a97c82651 100644
--- a/packages/app/playwright.config.ts
+++ b/packages/app/playwright.config.ts
@@ -1,8 +1,8 @@
 import { defineConfig, devices } from "@playwright/test"
 
 const port = Number(process.env.PLAYWRIGHT_PORT ?? 3000)
-const baseURL = process.env.PLAYWRIGHT_BASE_URL ?? `http://localhost:${port}`
-const serverHost = process.env.PLAYWRIGHT_SERVER_HOST ?? "localhost"
+const baseURL = process.env.PLAYWRIGHT_BASE_URL ?? `http://127.0.0.1:${port}`
+const serverHost = process.env.PLAYWRIGHT_SERVER_HOST ?? "127.0.0.1"
 const serverPort = process.env.PLAYWRIGHT_SERVER_PORT ?? "4096"
 const command = `bun run dev -- --host 0.0.0.0 --port ${port}`
 const reuse = !process.env.CI