A man turned on someone he thought was interfering in a row between himself and his girlfriend.
Gareth Smith, 33, punched the man to the ground and then kicked him on the forehead, Blackpool Magistrates heard.
Smith of Broadway, Fleetwood admitted assault outside a tapas bar on Queen Street, Blackpool in December last year.
John Lee, defending, told the court: “My client accepts the victim was acting in an honourable manner.
“There are times when Smith does drink to excess and he does have anger management problems.
“He was involved in a promotions business but has lost that work because of his conviction for assault.”
Smith was given a 60 day prison sentence suspended for a year.
He was also placed under supervision and ordered to pay £150 compensation to his victim.