The 25-year-old Trinidad and Tobago international, who scored the game's opening goal, failed to return after the break and Bruce initially voiced fears that the frontman could be sidelined for a month with a groin problem.
Welcome boost: Kenwyne Jones could be backsooner than expected after scans revealed the striker suffered nolasting damage after limping off against Man City
However, scans have shown the injury is not as serious as was first thought and Jones has not yet been ruled out of Saturday's Barclays Premier League clash with Birmingham.
'Kenwyne's had a scan and thankfully, the damage isn't as bad as we first feared,' Bruce told the club's official website.
'It's too early to say whether he will make Saturday's game, but we will keep an eye on him, give him all the treatment we can and keep our fingers crossed.'
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