Keeping Up With The Kardashians star, 41, shares son Mason, 10, daughter Penelope, 7, and youngest child Reign, 5, with Scott, who recently visited a rehabilitation center .
The 36-year-old entrepreneur and reality star left his rehab center after being enraged by a leaked photo.
Scott is said to be angry after a snapshot of him inside All Points North Lodge in Edwards, Colorado was shared online.
His team believes the image was leaked by a staff member rather than a patient.
Scott, who has been open about his substance abuse problems in the past, has been reported to have gone to rehab for alcohol and cocaine addiction.
The star fled the lavish facility after just six days, and now the mother of her children would be worried about her children after her rash decision.
A source close to Kourtney revealed that the reality star is rather furious with Scott because he has failed to overcome his addiction, and is even more concerned about the lasting effect it will have on his children.
The insider told The Sun: “Kourtney is upset Scott is back in Los Angeles and not in treatment. In addition, she is upset by the way it affects their children.
“Mason is older now and has a smartphone. He knows what’s going on, unlike what Scott had trouble a few years ago. “
The insider added, “Kourtney wants Scott to go to treatment and get the help he needs, especially for their children.”
Despite rumors circulating about Scott entering the establishment to tackle his old addictions, his lawyer said his problems were much more deeply rooted and insisted that the star was in fact there. to work on his past trauma.
Marty Singer said in a statement: “In an effort to finally come to terms with the pain that Scott has been suffering silently for many years due to the sudden death of his mother, followed by the death of his father three months later, Scott made the decision to register at a rehab center last week to work on her past trauma. ”
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Scott had already returned to the institution to deal with the loss of his parents six years ago.
He admitted in the last episode of KUWTK that he still found it difficult to talk about his lost loved ones.
Scott is said to be back home in LA now, where he isolates himself with his love, Sophia Ritchie.
Mirror Online contacted representatives of Scott Disick and Kourtney Kardashians for further comments.