Sayyiduna Abu Hurayrah (may Allah be pleased with him) narrates that the Prophet (peace and blessings be upon him) said: "Give the labourer his wage before his sweat dries."
Abu Ya'la recorded it; its chain contains Abdullah bin Ja'far bin Najih, the father of Ali bin al-Madini, who is da'if (weak).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب البيوع / 6456