fix

vercel · May 3, 2023 · 7bcd504 · 7bcd504
1 parent 2a3b8b2
commit 7bcd504
Showing 1 changed file with 9 additions and 7 deletions.
diff --git a/packages/next/src/server/next.ts b/packages/next/src/server/next.ts
@@ -179,13 +179,15 @@ export class NextServer {
           }
         }
 
-        // When running as a custom server with app dir, we must set this env
-        // to correctly alias the React versions.
-        if (conf.experimental.appDir) {
-          process.env.__NEXT_PRIVATE_PREBUNDLED_REACT = conf.experimental
-            .serverActions
-            ? 'experimental'
-            : 'next'
+        if (this.options.customServer !== false) {
+          // When running as a custom server with app dir, we must set this env
+          // to correctly alias the React versions.
+          if (conf.experimental.appDir) {
+            process.env.__NEXT_PRIVATE_PREBUNDLED_REACT = conf.experimental
+              .serverActions
+              ? 'experimental'
+              : 'next'
+          }
         }
 
         this.server = await this.createServer({