Cape Town - Proteas bowling coach Allan Donald says they must improve their death bowling in limited overs cricket as they prepare to face Pakistan in the second ODI at Centurion on Friday.According to the Beeld website, the Proteas conceded a combined 207 runs in the last 10 overs of the three ODIs against New Zealand earlier this year.Dale Steyn, Rory Kleinveldt, Morné Morkel, Lonwabo Tsotsobe and Robin Peterson were the culprits in a series South Africa lost 2-1."It's the one area in which we've let ourselves down badly in the last while," said Donald. "The last few overs of your opponents' innings often decide the outcome of the match and we've been guilty of not being good enough."Donald said they are working hard at rectifying the problem."We've moved away from traditional net practices where each bowler just gets five overs. Instead, we're trying to similate specific match situations."With that we want to put the same sort of pressure on bowlers like in a match - and death bowling is one of the things we're working the hardest at."Donald confirmed that Steyn will be back for Friday's game after he visited his girlfriend in Los Angeles last week. However, Morkel (hamstring) is likely to remain sidelined.The Proteas won the first ODI in the five-match series by 125 runs in Bloemfontein last Sunday.