A 54-year-old man stabbed the victim in the arm during an argument in North Park Thursday morning, according to the San Diego Police Department (SDPD).
The incident occurred on the 2600 block of Collier Avenue, near Adams Avenue.
Police said the two men got into an argument because the victim was yelling at the suspect's 6-year-old daughter. The victim then punched the suspect in the face.
The suspect grabbed a kitchen knife and stabbed the victim.
According to police, the victim, a 49-year-old man, suffered a two-inch laceration on his arm. He was taken to the hospital and treated for his injuries.
The suspect was arrested and booked into jail.
No other information was available.