(CNN) A Texas family is mourning after their cat was accidentally euthanized during a routine visit to an animal hospital.

Michelle Olson and her husband had taken 8-year-old Sophie to Suburbia North Animal Hospital in Houston, Texas, for her regular checkup and rabies vaccination.

Everything seemed fine, until they received a frightening call on their drive home.

"It was the doctor herself calling saying, 'Please get Sophie back here immediately, we gave her euthanasia instead of a rabies vaccine,'" Olson told CNN affiliate KTRK

Sophie the cat went to a vet for a regular checkup.

The couple rushed back to the hospital to try and save their beloved cat.

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