Use of AI technology for entertainment purposes is becoming more prevalent, which raises questions about how engagement with machine-generated narratives influences audiences’ enjoyment and perception of the story’s creator. We conducted a 2 (human author vs. bot author) x 2 (human label vs. bot label) between-subjects experiment to examine how actual authorship and labels about authorship affect narrative engagement and enjoyment as well as perceived authenticity, humanness, and mind of the author. Results indicate that the authorship label had effects on readers’ perceptions of the author, but whether the story was written by a human or ChatGPT did not. Engagement and enjoyment were consistent across authors and labels. We also found no support for narrative engagement as a mediator on enjoyment or perceptions of author.