2 Samuel 17:14

17:14 Then Absalom and all the men of Israel said, “The advice of Hushai the Arkite sounds better than the advice of Ahithophel.” Now the Lord had decided to frustrate the sound advice of Ahithophel, so that the Lord could bring disaster on Absalom.

2 Samuel 15:31

15:31 Now David had been told, “Ahithophel has sided with the conspirators who are with Absalom. So David prayed, “Make the advice of Ahithophel foolish, O Lord!”