Mourinho is under-fire after a turbulent week at Old Trafford.
The former Chelsea boss has continually ripped into defender Luke Shaw, accusing him of lacking the drive to succeed.
Despite the former Southampton star earning a last-gasp penalty against Everton, Mourinho again stuck the knife into him at the final whistle.
Zlatan Ibrahimovic has heaped praise on Jose Mourinho
Man United predicted team to face Sunderland
Fri, April 7, 2017
Express Sport brings you Manchester United's predicted team to face Sunderland
Man Utd via Getty Images
1 of 12
Who will Jose Mourinho start against Sunderland?
Pundits have questioned the former Chelsea boss' decision to condemn the 21-year-old.
But Ibrahimovic has no issues with it – admitting Mourinho "will tell you if you are s**t or not."
Get Quotes on Home Insurance
“The manager likes to look you in your eyes and tell you if you’re s**t or not – and I prefer that," he told The Mirror.
“He is direct and at least he sends you the message of what he thinks. He is the boss, he decides and he controls the situation.
“He told us at half-time against Everton that we were not good enough – and it was right that we heard that because we weren’t good enough.
Jose Mourinho has ripped into Luke Shaw this season
“It is the way it works. I am from the old generation and I think the old generation was more like that.”
United's best chances of securing Champions League football for next season lie in the Europa League.
But Ibrahimovic is hardly thrilled about the prospect of winning Europe's second-tier competition.
“Just another trophy in the collection,” he said when asked about what triumphing would mean to him.
“Just another day at work.”