"My goal is to make sure my body language is right," the German told Standard Sport.
"When I make a mistake, I get annoyed and you can tell from my body language. But these days I try to make sure that I don't do that anymore because in football you can make mistakes and play a bad pass.
"It is more for the fans, the people who watch the game, (rather than team-mates), because they might think that I'm not fighting anymore."
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Arsenal are third in the table, 13 points behind Leicester and have a game in hand over the leaders.
Ozil appeared to have given up on their chances of winning the title last month when he told German website spox.com that Arsenal had "mucked it up" by not playing to their potential against the so-called smaller teams.
(Reporting by Simon Jennings in Bengaluru; editing by Sudipto Ganguly)
