After Starbucks stores around the country had to shut down or give out free food when their payment system stopped working, the coffee giant says that most affected locations are back to normal and that all stores should be back online soon.

A rep for Starbucks tells Consumerist that an overnight technology update to store registers in the U.S. and Canada left a “limited” (but unspecified) number of locations offline Tuesday.

While the company says that affected stores remained open during this time, many Starbucks customers reported that their local shops were closed this morning.

As of 3:30 p.m. ET, a Starbuck rep tells Consumerist that “virtually all” affected locations are fully operational with the remaining stores scheduled to come back online shortly.

“We appreciate the patience and support from our customers and partners (Starbucks’ word for employees),” the rep said.

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