diff --git a/packages/next/server/config.ts b/packages/next/server/config.ts
index af9f3eb80e2f..400324e11c60 100644
--- a/packages/next/server/config.ts
+++ b/packages/next/server/config.ts
@@ -59,7 +59,11 @@ const experimentalWarning = execOnce(
 
 export function setHttpClientAndAgentOptions(config: NextConfig) {
   if (isAboveNodejs16) {
-    if (config.experimental?.enableUndici && isAboveNodejs18) {
+    if (
+      config.experimental?.enableUndici &&
+      !config.experimental?.appDir &&
+      isAboveNodejs18
+    ) {
       Log.warn(
         `\`enableUndici\` option is unnecessary in Node.js v${NODE_18_VERSION} or greater.`
       )