Sunan Ibn Majah 1797
سنن ابن ماجه#1797Mawdu'Abu Hurairah narrated that :the Messenger of Allah(ﷺ) said: “When you give Zakat, do not forget its reward, and say 'Allahummaj-'alha maghnaman wa la taj-'alha maghrama (O Allah! Make it a gain and do not make it a loss).' ” (Maudu)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniMawdu
Muhammad Fouad Abd al-BaqiMawdu
Zubair Ali ZaiDaif
In-book reference: 8:15