The 67-year-old star doesn't approve of Miley's wild ways,reported Contactmusic.
"Miley is really smitten with Patrick but his family are less impressed with the new romance. They don't approve of Miley's wild ways. Maria has warned Patrick that Miley might become a bad influence and she doesn't want her to lead her son astray," a source said.
However, Miley's friends are said to be more concerned about the relationship. They feel Patrick is just using Miley to boost his fame.
"Her inner circle know how hurt she was after her split from Liam Hemsworth and don't want her to go through heartache again," another source said.