diff --git a/apps/laboratory/package.json b/apps/laboratory/package.json
index ffb4f5b92e..c3aecce474 100644
--- a/apps/laboratory/package.json
+++ b/apps/laboratory/package.json
@@ -6,7 +6,7 @@
     "dev:laboratory": "next dev",
     "build:laboratory": "next build",
     "lint": "eslint . --ext .js,.jsx,.ts,.tsx",
-    "playwright:start": "npm run dev:laboratory",
+    "playwright:start": "turbo run build; npm run dev:laboratory",
     "playwright:install": "npx playwright install --with-deps",
     "playwright:test": "npx playwright test",
     "playwright:debug": "npx playwright test --debug"
diff --git a/apps/laboratory/tests/shared/constants/index.ts b/apps/laboratory/tests/shared/constants/index.ts
index 4a9731c0d9..a54c6852ed 100644
--- a/apps/laboratory/tests/shared/constants/index.ts
+++ b/apps/laboratory/tests/shared/constants/index.ts
@@ -1 +1,2 @@
+// allow localhost
 export const LOCAL_LABS_URL = 'http://localhost:3000/library/wagmi/'
diff --git a/dangerfile.ts b/dangerfile.ts
index 4f25e3fd97..2e427e1017 100644
--- a/dangerfile.ts
+++ b/dangerfile.ts
@@ -279,7 +279,7 @@ async function checkDevelopmentConstants() {
   for (const f of updated_files) {
     const diff = await diffForFile(f)
 
-    if (diff?.added.includes('localhost:')) {
+    if (diff?.added.includes('localhost:') && !diff?.added.includes('// allow localhost')) {
       fail(`${f} uses localhost: which is likely a mistake`)
     }
   }