The Fourth Goal

Riddle: Two teams were playing soccer against each other. One player from Team One scored a hat trick (triple goal). Their teammates were very happy. But when he scored the fourth goal, their teammates scolded him instead. How could this be possible?

Answer: The player scored an own goal. Source: https://riddles.com/2623

Two teams were playing soccer against each other. One player from Team One scored a hat trick (triple goal). Their teammates were very happy. But when he scored the fourth goal, their teammates scolded him instead. How could this be possible? — The fourth goal by NEO JIA QI Riddle