LOS ANGELES (CBSLA.com) — A judge has ruled two Californians may proceed with their suit that alleges Starbucks, Corp. underfills its lattes, according to a published report.

Siera Strumlauf of San Francisco and Benjamin Robles of Carlsbad filed the proposed class-action in California federal court back in May.

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The pair accuse the coffee-giant of underfilling lattes and have set forth multiple causes of action in their suit.

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According to Reuters.com, a federal judge recently ruled that the suit may proceed but did not rule on the case’s merits.

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Starbucks told CBS Los Angeles back in May it was aware of the plaintiffs’ claims, “which we fully believe to be without merit.”