The Reds went behind in the opening two minutes through a header from Mbaye Diagne, but replays suggested that the Senegalese striker had placed his hand over the Swede’s eyes.
United fought back through Bruno Fernandes’ equaliser, and almost won it late on when Maguire was denied by a fantastic Sam Johnstone save, but the skipper felt the Baggies’ goal should never have been allowed to stand.
“It’s a big frustration,” said Harry. “We know the first goal is crucial when you come to this place. But it’s a foul. I’m fed up of hearing ‘Vic can do better’.