The LionsXII suffered their 4th defeat of the season after going down 1-0 to Sime Darby at the Jalan Besar Stadium tonight.
Fandi Ahmad's charges were undone by a Syukur Saidin goal after the midfielder rifled a shot into the bottom of the net just before the end of the first half.
Substitute Sufian Anuar almost drew level for the home side in stoppage time in the second half.
The loss leaves the defending champions in fifth spot with 18 points while Sime Darby climb two places to eighth.