diff --git a/scripts/vitest/next-config-mock.ts b/scripts/vitest/next-config-mock.ts
index c49f254a3c..a1403bb6bf 100644
--- a/scripts/vitest/next-config-mock.ts
+++ b/scripts/vitest/next-config-mock.ts
@@ -11,6 +11,7 @@ export default function getConfig() {
       enableIndexedDBProvider: true,
       prefetchWorkspace: false,
       exposeInternal: true,
+      enableSubpage: true,
     },
   };
 }