Speaking ahead of the second Test starting here on Wednesday, the 29-year-old admitted South Africa were disappointed to lose by seven wickets in Abu Dhabi.
"The mood is good, we've moved on from the disappointing performance, obviously we were hurt quite a bit after the Test, we haven't played cricket like that in a long time and we were very, very disappointed," de Villiers said after team practice today.
"We're finding ways to fix it and that's the most important thing. We've looked at a few areas where we went wrong and we're going to try and get it right," said de Villiers.
South Africa slumped to 249 and 232 against a spin-cum pace Pakistan attack and failed to stop their rivals from putting up a mammoth 442 for a comfortable win.
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To add to South Africa's batting problems, first Test centurion Hashim Amla may not be available for the second Test as the reliable batsman returned home for the birth of his second child.
Left-hander Dean Elgar is likely to replace Amla.
"He did tweak something in the fielding practice yesterday, but we think it's not too serious, so we are just taking a good precaution and making sure he will be ready for the second Test," he said.