Almost 2,000 people follow the adventures of the mischievous moggy, who usually abides by the ban and stays outside the front door.
Tesco said it would encourage him out.
The six-year-old cat had been a regular in the Thorpe Marriott branch for well over a year before the shop took action last November, saying "although we love the little ginger cat who visits... a food store isn't the best place for a cat to be, so our colleagues gently encourage him to go out when he tries to come in".
However, on Sunday night Pumpkin the puss was back in his favourite place, relaxing on the self-serve scanner.