A shakeup to the Starbucks rewards program for customers using their own cups is the latest change under CEO Brian Niccol.

Now, there's another new update—but fans aren't too happy about it. Beginning June 24, the Seattle-based coffee giant is nixing its 25-star bonus for customers who bring their reusable cup, CNN reports.

Members of Starbucks rewards earn one star for every $1 spent, so if you usually place a small order with your reusable cup, you'll start to earn fewe