The Sweden star insists he is "not worried" about his future at the French champions and admits this season has been far easier on and off the pitch
The Sweden star joined les Parisiens from AC Milan for €20 million in the summer of 2012 and inspired the club to the Ligue 1 title with 30 goals in 34 top-flight games.
The 32-year-old signed a new contract until 2016 last month to end rumours of a departure from Parc des Princes, and while he insists he intends to see out his new deal, the former Ajax striker admits it is ultimately down to the club.
"You never know. Perhaps one day PSG will stop believing in me and then I will have to change something," he told L'Equipe.
"My belief is that I will stay until the end of my contract, but the club is the boss. In every season, they could have new plans. The project will continue here, whoever the players are.
"But I'm not worried. As long as I'm able to play the way I did today [against Benfica], things will go well."
Despite his exceptional scoring record during his first season with PSG, Ibrahimovic admits he is enjoying his time in France far more this season having grown accustomed to life in the French capital.
"Everything seems much easier today. Having been here a year, I feel I know everything better: my team-mates, the club, the city, the fans. It's easier on and off the pitch. This was not the case last season, especially on the pitch," he explained.
"Coming from AC Milan and Serie A, with all the respect I have for the championship in France, it was not quite the same.
"What's more, I came to a new project, where no-one knew what might happen. When you sign for Milan, you arrive at a club that's already built, already finished. Here, it's growing.
"When I signed, I didn't know what to expect. I wasn't familiar with Ligue 1, with the grounds, the teams... It was a huge upheaval in my environment."