Barrow boss Pete Wild stressed his side must stick together to secure a League Two play-off spot on the final day of the season.
The Bluebirds suffered a fifth defeat in a painful six-game winless run with a last-gasp 2-1 loss to Bradford.
It means they have to get a result when they host promoted Mansfield on Saturday.
Bobby Pointon opened the scoring with a great strike in the first half before Kian Spence levelled with a free-kick after the break.
But former on-loan Barrow forward Tyler Smith came off the bench to score a bruising stoppage-time winner against his old club.
And Wild said: “We didn’t do anything with or without the ball. We were frustrated at half-time. I told them ‘we’ve got to