No. That just sounds like a caching issue that wil, eventually rectify but I could be wrong so I'll flag this thread for Staff to take a look at your blog.
WordPress com Staff have made it easy for members to “like” what they are reading, wherever they are reading it (Front Page, Archive Pages, and Search Results, Posts, Pages, Media). http://en.blog.wordpress.com/2012/04/26/more-likes/
A follower can click the “like” button without visiting your blog and creating a page view stat.
- A follower can click the “like” button when viewing your posts in the Readomatic reader on the home page of WordPress.com
- A follower can click the “like” button when viewing your posts on the Topics pages.
- A follower can click the “like” button when viewing your posts when using an app.
- An email subscriber can click the “like” button in the email they receive of your new posts without visiting your blog.
P.S. To compel readers to click into my blog to read the full post I have set my RSS Feed to “summary” on this page > Settings > Reading