The Proteas expect Australia to come back hard at them in an effort to level the series at the Wanderers after the tourists came crashing down in a remarkable Test match in Cape Town last week.
Opener Hashim Amla said that the South Africans were bracing for a backlash from the Australians when the second Tess gets underway on Thursday.
"Australia are a very good team, and it will be no surprise if they come out firing," sprts24 quoted Amla, as saying.
"They will want to play some very good cricket, and we would be the same if we lost the last game, so we're not going to get complacent," he added.
Australia were dismissed for 284 runs in their first innings in the opening match, but scored 47 in their second.South Africa scored 96 and coasted to 236/2 in their second innings to seal an eight-wicket victory.
"We're going to keep it simple and not place too much on what happened in the first Test," said Amla, who made 112 in the fourth innings to help steer his side to victory.
"They (Australians) will probably be a little demoralised, but we're going to need to put in a good performance at the back end of this series," he added.