CORONATION Street viewers have been left baffled after spotting a blunder in Paul and Billy's flat.
Fans of the long-running ITV soap opera watched this week as Paul's MND continued to worsen.
The character, who is played by , suffered a fall as he tried to use the toilet.
His vicar husband Billy (Daniel Brocklebank) thankfully found him but it led to upsetting scenes as Paul didn't want his partner to see him.
As teary-eyed fans watched the emotional dialogue between both stars, their attention soon turned to their flat.
Billy and Paul live above Tracey Barlow's flower shop, Preston's Petals, which is accessed by set of stairs.
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But when it comes to the internal layout of the flat, Coronation Street fans are unsure of the floorplan.
The couple have an open plan layout for their kitchen, dinning and sitting room.
But beyond it remains a mystery, leaving viewers with questions.
Taking to social media, one said: "I thought the bathroom was by the bedrooms, through the door opposite side to the front door."
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A second posted: "Tonight Billy dragged, yes, dragged Paul through the door by the entrance to the flat. Surely it hasn't got 2 bathrooms?"
"I don't understand the layout of Paul and Billy's flat #corrie," said a third.
Coronation Street airs on ITV1 and ITVX.