Sibling rivalry is real.

As Mike Smith warmed up for the 2018 All-Star Skills Competition, his four boys Aksel, Ajax, Nixon, and Kingsley skated around the Amalie Arena ice. The family skate was going fine until Nixon, potentially angry that his brother put his finger in his cereal during breakfast, dropped the gloves with Aksel.

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The boys must watch a lot of their dad’s games because they knew exactly what to do in a fight.

The fight eventually ended when another child, the third man in, tackled the combatants.

The Smith’s Papa wasn’t originally invited to the All-Star Game, though he is having a great season for the Flames. Smith has posted a .926 save percentage and 2.41 goals-against average over 41 starts.

“My kids, they’ve been asking me for a month now if I’m going to the All-Star Game and I’ve had to tell them that I’m not,” Smith said to the Calgary Sun’s Wes Gilbertson. “It was nice (Wednesday) to pick my boys up at school and tell them I had for a surprise for them. They thought the surprise was to go to Starbucks and get a snack, but after I told them, they were pretty pumped.”

I think a trip to Tampa is a little bit better than Starbucks.

Smith was able to join the boys on the ice for a short skate before he had to get ready that night.

#Flames goalie Mike Smith having a little fun with the family at the #NHLAllStar weekend. pic.twitter.com/u8ycWEkFva

— Calgary Flames (@NHLFlames) January 27, 2018

Smith and his four boys were also reunited with Arizona Coyotes defenseman Oliver Ekman-Larsson. Smith and Ekman-Larsson were teammates in Arizona for six years.

Videos: Arizona Coyotes Snapchat