A 26-year-old Guildford man has been charged with aggravated unlawful wounding after allegedly stabbing his partner in the hand as she tried to flee the house.
The attack happened about 5pm yesterday on Terrace road in Guildford.
His 23-year-old partner received puncture wounds to her hand as she tried to drive off after a dispute.
The woman was treated at Swan District Hospital, but her injuries were described by police as not serious.
The man will appear in the East Perth Magistrate's Court today.