diff --git a/src/BuildService.ts b/src/BuildService.ts
index e3b7312..7a12951 100644
--- a/src/BuildService.ts
+++ b/src/BuildService.ts
@@ -132,7 +132,7 @@ export const BuildServiceLive: RTE.ReaderTaskEither<
     'onlyRootEntrypoints',
     ({ config, entrypoints, resolvedIndex }) =>
       !resolvedIndex.includes(config.srcDir) &&
-      entrypoints.some(entrypoint => entrypoint.includes(config.srcDir)),
+      !entrypoints.some(entrypoint => entrypoint.includes(config.srcDir)),
   ),
   RTE.bindW('pkg', ({ config }) =>
     pipe(