Rangers have played a huge role in helping Celtic's Kristoffer Ajer kick off international career

Celtic's Norwegian midfielder Kristoffer Ajer controls the ball during the UEFA Europa League football match between Celtic and Zenit Saint Petersburg at Celtic Park stadium in Glasgow,...

Celtic's Kristoffer Ajer has earned his first senior call-up for Norway, all thanks to Rangers.

Celtic's Norwegian midfielder Kristoffer Ajer (L) fights for the ball with Zenit St. Petersburg's forward from Russia Alexander Kokorin during the Europa League Round of 32 second leg...

Celtic got one over bitter Old Firm rivals Rangers again on Sunday, coming from behind twice to snatch a 3-2 win despite playing with 10 men for 30 minutes.

Centre-back Jozo Simunovic was give his marching orders after an elbow on Alfredo Morelos, leaving the visitors' defence with much more work to do.

Hoops manager Brendan Rodgers trusted 19-year-old Kristoffer Ajer with the responsibility of filling in for suspended right-back Mikael Lustig, and the teenager hardly put a wrong foot forward.

Kristopher Ajer of Celtic during the International Champions Cup series match between Barcelona and Celtic at Aviva Stadium on July 30, 2016 in Dublin, Ireland.

Having already put in several stellar performances that caught the eyes of manager Lars Lagerback this term, Ajer has finally been called up to join the Norwegian senior team as revealed by Celtic's official website.

The former Lillestrøm and Start defender, who arrived at Celtic last summer, will join the team to prepare for their friendlies against Australia and Albania during the coming international break.

Ajer has made 16 Scottish Premiership appearances for the Hoops this term since establishing himself in Rodgers' first-team plans, but his impressive performance against Rangers helped prove he has now come of age.

Celtic's Carly Musonda (L) celebrates with Celtic's Norwegian midfielder Kristoffer Ajer at the final whistle during the UEFA Europa League football match between Celtic and Zenit Saint...

The Old Firm game remains the biggest in Scotland, and if Ajer can prove himself in such a high-profile clash, he Is definitely ready to make his international bow for Norway.

Thanks to Rangers, the Hoops starlet could soon make the first of many international appearances for Norway.

Register for HITC Sport - Daily Dispatch