Cape Town - The Proteas are sweating over the availability of star batsman Hashim Amla ahead of the first Test against Sri Lanka next month.WIN a Toshiba Touch Screen TabletAmla injured his forearm in the recent drawn Test series against Australia.Proteas team manager Mohammed Moosajee told the Volksblad newspaper that Amla should - if all goes well - be ready for the first Test.The first match of the three-Test series against the Sri Lankans starts at SuperSport Park in Centurion on December 15.Moosajee said Amla hurt his arm when he was struck by a delivery from Aussie quickie Mitchell Johnson in the first innings of the second Test in Johannesburg."It was really swollen afterwards and he was able to finish the rest of the Test with pain killers."Even though the X-ray's showed there aren't any cracks, the second scan showed some of the tissue is damaged."As a precautionary measure we then pulled him out of any participation for his franchise in the domestic one-day series (1-Day Cup)."Moosajee said they won't risk Amla before the December 15 Test unless they feel the injury needs to be put to the test.Alviro Peterson - who scored 190 runs in two 1-Day Cup matches for the Lions over the weekend - should be called up if Amla fails to recover in time.