Abd al-Razzaq (may Allah have mercy on him) narrates the hadith from Ma'mar (may Allah have mercy on him) with the same meaning and chain, except that he said: We said: O Messenger of Allah (peace and blessings be upon him)! The zakah collectors transgress.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الزكاة / 7327