Los Angeles ( CNN ) -- Lindsay Lohan failed a court-ordered alcohol test last week , requiring her to go before a judge for a probation violation hearing Thursday morning , according to a source close to the case . Lohan 's failed test , which the source said happened on June 13 , comes while the actress is confined to her Venice Beach , California home because of a jail sentence imposed last month . The actress will appear before Los Angeles County Superior Court Judge Stephanie Sautner at 10 a.m. Thursday , the same judge who sentenced her to 120 days in jail after she pleaded guilty to stealing a necklace , a prosecution spokeswoman said Wednesday . Lohan was allowed to serve a reduce sentence at home because , as a non-violent offender , she qualified a home confinement program intended to reduce overcrowding . But it is not likely Judge Sautner has missed seeing media reports showing Lohan socializing on the roof of her luxury home in recent days . `` When my friends come over , they 're not drinking , '' Lohan told an interviewer with Life & Style magazine . `` Alcohol is not in my house , so it 's just not a part of my life . '' That interview was given on June 18 , five days after she failed test . The actress , who turns 25 on July 2 , has managed to avoid more than a few days in jail despite two drunk driving convictions , a long list of probation violations and the recent theft conviction . `` Because of budget constraints and because we 're under a federal consent decree that requires us to curb our overcrowding situation , nonviolent offenders , lesser crimes , get 20 % of their sentence , '' Los Angeles County Sheriff 's spokesman Steve Whitmore said . Without the latest violation , it was expected she would be released from home confinement in early July . She would then resume her work on 480 hours of community service the judge imposed . Lohan entered drug rehab last year to avoid a jail sentence imposed by another judge , but Sautner made it clear in court last month that she did n't think drugs and alcohol were not the root of Lohan 's legal troubles . `` She 's got other problems for which she self-medicates , '' Judge Sautner said . Lohan 's four years in and out of court -- and sometimes jail -- started with two drunken driving arrests in 2007 . Since then , she 's spent more than eight months in substance abuse rehabilitation programs . A probation report released last month said the actress `` appears to be continuing to struggle with substance abuse issues . '' `` It would appear that the defendant 's criminal conduct is increasing in seriousness and severity , '' the probation report said , yet it suggested she serve her sentence on probation and not in jail . Lohan tested positive for alcohol use , a violation of probation rules , in February , the report said . It also revealed that the drug test failure last August , which resulted in a jail sentence and court-ordered rehab , involved cocaine and amphetamines . HLN 's Selin Darkalstanian contributed to this report .
NEW : Lohan failed a June 13th alcohol test , a source says . NEW : ` ` actress is not in my house , '' she read a magazine last week . The actress is already serving a sentence for stealing a necklace . She will appear before the same judge who sentenced her to jail last month . She is on probation for her previous theft convictions .