McDonald’s menus will be a few items lighter in some locations thanks to the temporary removal of espresso drinks.

The maker of the coffee machines used at the chain, Melitta, issued a statement to restaurants on Monday, the Wall Street Journal reported, saying the use of the machines should be paused while it investigates a faulty component that could allow steam to escape and damage the part.

“We have moved quickly to decommission these machines in McDonald’s restaurants and are staying in contact with our supplier to resolve the issue,” McDonald’s said in a statement on Wednesday. The burger chain said it is still investigating the scope of the incident but, in the meantime, espresso-based beverages like lattes and cappuccinos will be unavailable in affected markets.

The items were removed from menus after Melitta identified issues in two machines, the corporation told the Journal.

“We are investigating the two impacted machines. Our intent is to determine the root factor and provide a remediation schedule that allows us to shift forward,” Melitta said in a statement to CBS information.

Melitta did not immediately respond to USA TODAY’s request for comment.

E. coli outbreak

The complication comes after slivered onions on McDonald’s Quarter Pounders were found to be the source of an E. coli outbreak that sickened over 100 and killed one. Hundreds of restaurants across the country temporarily stopped selling the burgers, resulting in stymied foot traffic and sales.

The corporation is investing $100 million in helping recoup these losses and triumph back customers, according to multiple reports, using the massive apportionment on marketing materials and assistance for franchise owners whose sales suffered as a outcome of the outbreak.