Being a football referee is extremely tough.It's almost impossible to referee a game without making at least one mistake, big or small.And when an error is made by an official, they are usually subject to a plethora of abuse from fans.But it's important to remember that officials are only human. They don't want to make errors during a game.On the most part, no one is more disappointed than a referee themselves when a mistake has been made.And Bert Put showed that this weekend.Put was the man in charge for the Belgian Pro League clash between Union Saint-Gilloise and STVV on Sunday afternoon.In the 28th minute, STVV's Aboubakary Koita drove at the home side's backline but was wiped out by a defender.The ball somehow managed to find its way through to Daichi Hayashi and he found himself one-on-one with the goalkeeper.However, Put blew his whistle to give a foul.He almost immediately realised his mistake when he saw Hayashi through on goal. His despair was plain to see as he looked up to the sky and put his hands on his head.View the moment below...

It's impossible to know whether Hayashi would have scored or not, but it goes without saying he would have liked the opportunity to have a crack at goal.

The moment has attracted a lot of attention on Reddit with many feeling sorry for the referee. View some of the comments below...

Fair play to Put for realising he made a mistake and owning up to it.

STVV may have been aggrieved that a foul was given but it didn't matter as they went on to claim a 1-0 win.

Christian Bruls' 54th minute proved to be the difference as the away side secured all three points.

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Former Manchester United and Dortmund midfielder Shinji Kagawa came on for his STVV debut late on in the game.

STVV have moved up to 11th in the Pro League having picked up 34 points from 27 games.

Union Saint-Gilloise, meanwhile, have a seven-point advantage at the top of the table.