Update packages/next/server/next-dev-server.ts

Co-Authored-By: Tim Neutkens <[email protected]>
vercel · Nov 23, 2019 · 6124ce3 · 6124ce3
1 parent 94643b1
commit 6124ce3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/next/server/next-dev-server.ts b/packages/next/server/next-dev-server.ts
@@ -54,7 +54,7 @@ export default class DevServer extends Server {
       html: string,
       pathname: string
     ) => {
-      const validatorPath = this.nextConfig.amp && this.nextConfig.amp.validator
+      const validatorPath = this.nextConfig.experimental && this.nextConfig.experimental.amp && this.nextConfig.experimental.amp.validator
       return AmpHtmlValidator.getInstance(validatorPath).then(validator => {
         const result = validator.validateString(html)
         ampValidation(