Ozil appeared to head for the dressing room straight after the final whistle without joining his team-mates to applaud the visiting fans.
An argument with team-mate and fellow German Mertesacker reportedly ensued but Wenger played down the incident.
He said: "That is the Germans, they will sort that out between themselves. Don't worry."
For breaking stories and all the great banter like us on Facebook: facebook.com/tribalfootball