diff --git a/internal/radio/song.go b/internal/radio/song.go
index 45a02ce..4d3a03c 100644
--- a/internal/radio/song.go
+++ b/internal/radio/song.go
@@ -27,8 +27,8 @@ func (s *Song) MarshalJSON() ([]byte, error) {
 		Artist        string `json:"artist"`
 		Title         string `json:"title"`
 		DurationMill  int64  `json:"duration_msec,omitempty"`
-		Listeners     int64  `json:"listeners"`
-		PeakListeners int64  `json:"peak_listeners"`
+		Listeners     int64  `json:"listeners,omitempty"`
+		PeakListeners int64  `json:"peak_listeners,omitempty"`
 		StartAt       string `json:"start_at"`
 	}{
 		Artist:        s.Artist,