diff --git a/js/listenbrainz.js b/js/listenbrainz.js
index 0c5acad..b6ab35a 100644
--- a/js/listenbrainz.js
+++ b/js/listenbrainz.js
@@ -249,7 +249,8 @@ export class ListenBrainzScrobbler {
     }
 
     async loveTrack(track) {
-        const trackKey = `${track.artist}-${track.title}`;
+        if (!track.artist?.name || track.title) return;
+        const trackKey = `${track.artist.name}-${track.title}`;
         if (!this.isEnabled() || this.lovingTracks.has(trackKey)) return;
         this.lovingTracks.add(trackKey);