Supreme Court Justice Clarence Thomas on Monday expressed a desire to revisit a landmark 1964 ruling that makes it relatively difficult to bring successful lawsuits against media outlets for defamation.

Thomas’s statement came in response to the court’s decision to turn away an appeal from a Christian nonprofit group who disputed their characterization by the civil rights watchdog group Southern Poverty Law Center (SPLC).

Coral Ridge Ministries Media sued the SPLC for defamation for listing them as a hate group on their public database, which led to Amazon excluding Coral Ridge as a recipient of charitable contributions from online shoppers.

Read more: The Hill