diff --git a/packages/plugin-blog-data/src/node/prepareBlogData.ts b/packages/plugin-blog-data/src/node/prepareBlogData.ts
index 57d332ec..aaf6a76a 100644
--- a/packages/plugin-blog-data/src/node/prepareBlogData.ts
+++ b/packages/plugin-blog-data/src/node/prepareBlogData.ts
@@ -59,7 +59,7 @@ export const preparedBlogData = async (
       ...extended,
     }
 
-    if (options.excerpt) data.excerpt = page.excerpt
+    if (options.excerpt) data.excerpt = (page as any).excerpt
 
     return data as BlogPostDataItem
   })