The U.S. Open says it regrets warning a female tennis player for taking off her shirt

Sometimes, a good public outcry is all you need.

After female tennis player Alizé Cornet briefly removed her shirt while changing on the court of the U.S. Open on Wednesday, the umpire issued her a warning -- and immediately incited outrage. Fans complained that similar warnings had not been issued to male tennis players.

On Wednesday, the U.S. Open actually responded to complaints and issued a public apology.

"We regret that a Code Violation was assessed to Ms. Cornet yesterday," the statement said, according to BuzzFeed News. "We have clarified the policy to ensure this will not happen moving forward."

U.S. Open Director of Communications Chris Widmaier clarified the new policy on Wednesday.

"Players who do change their shirts will not be assessed a code violation ... We regret that Ms. Cornet was assessed a code violation. However, luckily, she was assessed a warning only and there was no further penalty above a warning."

"When possible, if a more private location is near a court and is requested, that player will be allowed to go to that private location to change, and they will not be assessed a bathroom break."

This seems...reasonable. Earlier on Wednesday, the Women's Tennis Association released a statement of its own, stating that it does not have a "rule against a change of attire on court."

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One step forward for gender equality, one leap forward for Twitter outrage.