diff --git a/internal/cast/episode.go b/internal/cast/episode.go
index 1337059..3adab45 100644
--- a/internal/cast/episode.go
+++ b/internal/cast/episode.go
@@ -195,7 +195,7 @@ func LoadEpisode(
 		Title:     title,
 		Subtitle:  subtitle,
 		Date:      pubDate.Format(time.RFC3339),
-		Chapter:   au.Chapters,
+		Chapters:  au.Chapters,
 	}
 	b, err := yaml.Marshal(epm)
 	if err != nil {
@@ -332,7 +332,7 @@ type EpisodeFrontMatter struct {
 	Title     string            `yaml:"title"`
 	Date      string            `yaml:"date"`
 	Subtitle  string            `yaml:"subtitle"`
-	Chapter   []*ChapterSegment `yaml:"chapter,omitempty"`
+	Chapters  []*ChapterSegment `yaml:"chapters,omitempty"`
 
 	audio   *Audio
 	pubDate time.Time