diff --git a/packages/nx/src/config/workspace-json-project-json.ts b/packages/nx/src/config/workspace-json-project-json.ts
index 61132aa6feb49..f6d42ca32c6c7 100644
--- a/packages/nx/src/config/workspace-json-project-json.ts
+++ b/packages/nx/src/config/workspace-json-project-json.ts
@@ -139,7 +139,7 @@ export interface ProjectMetadata {
   };
   js?: {
     packageName: string;
-    packageExports: undefined | PackageJson['exports'];
+    packageExports?: PackageJson['exports'];
   };
 }