Substitute Ryan Fraser scored in added time to give Southampton victory at Millwall and make it five wins out of seven for the Saints.
The Newcastle loanee popped up at the far post to grab the three points in an otherwise forgettable game at The Den.
Goalkeeper Bartosz Bialkowski looked to have earned managerless Millwall a vital point with a brilliant save to deny Kamaldeen Sulemana.
The Lions have been under the caretaker charge of Adam Barrett since Gary Rowett left the club over a fortnight ago and have now gone five games without a win.