It wasnarrated from 'Abdullah that the Messenger of Allah (ﷺ)said:
"The omen is polytheistic deed and anyone of us may think heseesan omen but Allah will dispel it by means of relying upon Him." (IT)
English reference (IT): Vol. 4, Book 31, Hadith 3538 (IT)
Arabic reference (IT): Book 31, Hadith 3667 (IT)