This issue is similar to the issues with the canvas crease in the Favorite. Because it’s canvas attached to a very thin lining, the canvas does not tend to lay flat. For this reason, I opted to get Felicie’s in Empreinte and monogram blossom. Neither of mine have this issue.
Because it is new, I would return it. If you decide to get another one in canvas, when you open it, slide your finger under the flap (like you would open an envelope) to unsnap it opposed to pulling on the snap. Opening it this way will prevent the sides of the flaps from sticking up over time.