quand on parle du loup on en voit la queue

listen to the pronunciation of quand on parle du loup on en voit la queue
Fransızca - İngilizce
talk of the devil
Alternative form of speak of the devil
(Muhasebe) Talk about a certain person, and that person appears. (Used when someone appears whom you have just been talking about.)
speaking of something bad and then the bad appears