NEW YORK (CBSNewYork) – The New York and Los Angeles police departments are poking some fun at their perceived rivalry and wading into a hotly contested debate: Is “Die Hard” a Christmas movie?

On this Christmas Eve, we’d like to acknowledge our partners at @LAPDHQ who have been working with us to protect Christmas since Hans Gruber’s 1988 attack on Nakatomi Plaza. #DetectiveJohnMclean #YesItsAChristmasMovie.

It began when NYPD tweeted Monday that they’d been working with LAPD “to protect Christmas since Hans Gruber’s 1988 attack on Nakatomi Plaza” with the hashtag, #YesItsAChristmasMovie.

The debate over whether the Bruce Willis blockbuster is a Christmas movie has emerged in recent years. Set on Christmas Eve, the movie follows NYPD Detective John McClane as he singlehandedly stops a group of terrorists led by Gruber (Alan Rickman) in Los Angeles.

On this Christmas Eve, we too would like to acknowledge our partners at @NYPDnews for their continued partnership-they’ll always be more than welcome to follow in McClane’s footsteps & come to the (better) coast & have a party. Yippie Ki Yay & ho ho ho. #YesItsAChristmasMovie

LAPD tweeted back that NYPD will always be welcome to follow McClane “and come to the (better) coast and have a party. Yippie Ki Yay & ho ho ho.”

You can also take or share CBS New York’s poll on Facebook by clicking here.

(© Copyright 2018 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)