'Harry Potter' star Matthew Lewis just trolled fans for the best possible reason

It may be over 20 years since Neville Longbottom graduated from Hogwarts, but he's still out here earning points for Gryffindor by the cauldron-load.

On Monday, Harry Potter star Matthew Lewis took to Twitter to post a tweet that likely had the hearts of fans racing faster than the wings of a golden snitch.

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New Harry Potter Film?! Original Cast?!

I'd be lying if I told you I didn't immediately drop everything else and click. But when I did, the shortened link didn't take me to a news article about upcoming adventure Harry Potter and the Last Thestral — it took me to the gov.uk page which allows people in the U.K. to register to vote in the country's next general election.

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Yep: basically, if you want to vote in the general election on Dec. 12, the deadline to register is 11:59 p.m. on Nov. 26. Like many other celebrities and people across social media, Lewis was simply reminding people not to miss the deadline.

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Lewis' tweet has since been shared over 11,000 times. How many house points does that equate to?

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Oh, Neville. You deserve all the points.