Juice WRLD’s cause of death has finally been revealed.

The “Lucid Dreams” rapper died from an accidental overdose, according to the Cook County Medical Examiner. According to TMZ, the medical examiner’s office says that oxycodone and codeine were found in his system. He died from the toxic levels of that mixture of drugs.

Back in December, Juice died following a drug bust in Chicago’s Midway Airport. Witnesses say they saw the rapper swallow a bunch of unknown pills as authorities searched his luggage for guns and drugs. As the drug bust took place, sources said that Juice started “convulsing (and) going into a seizure.” He reportedly woke up, but was incoherent. He was transported to a nearby hospital where he later died. He was only 21.

Juice WRLD was recently honored at Rolling Loud Los Angeles, a festival where he was set to be the headliner before his untimely death. His girlfriend Ally Lotti took the stage and emotionally told his fans that he loved every single one of them.

“Hello, I just wanted to come out here and let everyone know that Jarad loved every single person that he helped on this earth,” Lotti said. “He literally loved every single one of you guys. There’s not a time that he had showed me any different love that he felt for you. He wants everyone to know that you need to take any negative thing in your life, he would tell you every time he saw you, and change that to a positive situation. Change that to 999. You gotta keep that in your heart.”

Since his death, rappers have been discussing the glorification of drugs in their lyrics. Vic Mensa talked to TMZ about how rappers have to be responsible for the things they say in their songs because it may corrupt the youth.

“I think, as members of the hip hop community, we need to take responsibility for the things that we say,” he said. “We need to recognize that the shit that we talk about influences children… We are polluting the minds of the youth. We have a responsibility to give it to them in a real way… We need to start holding ourselves and each other accountable for the glorification of the drug culture,” he continued. “We see these things happening to the young brothers… And rap is much to blame for it.”