Sayyiduna Jabir bin Abdullah (may Allah be pleased with them both) was asked about a man who gives money as qirad (a profit-sharing partnership) and stipulates that he receive it back as he gave it, around the day he takes it back. He said: "There is no harm in that."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الشفعة / 11609