The striker was involved in an angry confrontation with match officials after his side threw away a two-goal lead at Stade Geoffroy-Guichard and after the game he revealed details of a conversation between him and the man in charge, Antony Gautier.
"We all make mistakes. Even the referee made mistakes. We are all human," the 31-year-old told Eurosport.
"At the end, it was a simple dialogue. The referee asked me to be quiet, and I told him to be quiet too."
Ibrahimovic has scored 25 league goals so far this season, helping PSG to the top the Ligue 1 table and a lead of five points over second-placed Olympique Lyonnais.
Sunday's draw proved to be a missed opportunity for les Parisiens to widen the gap, after Lyon suffered a shock defeat to Bastia on Sunday.
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