The Potters have now failed to score since September 22 and their manager is concerned that the run is affecting their fragile confidence after the 0-0 draw with West Brom
The Welshman watched as City played out a 0-0 draw with West Brom on Saturday, with his side failing to score yet again, despite picking up their first point in four games.
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And although Hughes is confident that the Potters are heading in the right direction, he knows that they must start converting their chances sooner rather than later.
"We are struggling for goals but that's been prevalent here before I came, it’s something that we're working on," he told reporters.
"I think in terms of chances created, we are still creating the same if not more chances [than before Hughes' arrival] given the fact that we are playing in a slightly different way.
"It's up to us to make sure we convert the ones that we create because in every game we've played, we've created chances but haven't converted them, so the longer that goes on the more confidence we'll lose. It's important that we start scoring and start converting what we're creating."
Hughes also acknowledged that a point could have evaded them in the second half, with West Brom seeing strong claims for a penalty waved away when Youssouf Mulumbu's heel appeared to be caught by Charlie Adam.
"They will feel a little bit aggrieved with the penalty claim they had," he added. "It looked like it was a penalty but we had similar complaints a couple of weeks back at Fulham so, as the old adage goes, they even themselves out apparently."