(NEWSER) – It's nice when your creative Starbucks barista draws something in your coffee foam ... unless, of course, that "something" is a pair of Satanic symbols.

Megan Pinion, a Louisiana schoolteacher, was scandalized Sunday when she saw the two coffee drinks she had bought at a Mall of Louisiana Starbucks: One had what could be a pentagram drawn in the foam (though she conceded it is "almost OK" because Starbucks has a star in its logo); the other had the number "666." Pinion promptly posted a picture to Starbuck's Facebook page; it was liked and shared by thousands, and now Starbucks has apologized, the Daily Advertiser reports.

"We're taking the complaint seriously," says a rep."We're not sure who served her or what kind of beverage it was. It looks kind of caramel-ish in the photos."

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In her Facebook complaint, Pinion wrote of the barista (whose name she didn't get because she was too "appalled" to look at him): "I am in no way judging his beliefs or dis-meriting his beautiful artwork, I am however judging his lack of professionalism and respect for others."

Starbucks won't say whether the employee will be disciplined, the Huffington Postreports.

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