Just over 50 percent of Americans disapprove of the Affordable Care Act, according to a Gallup poll released Thursday.

Among people surveyed in the poll, 51 percent said they disapproved of the law, while 44 percent said they approved of it. It’s a slight increase in disapproval of the law since the spring, when a Gallup poll found 49 percent of people disapproved of the law and 47 percent of people approved of it. Overall, Gallup polls have found people have been more pessimistic than optimistic about the law for the past three years.