diff --git a/api/tests/audio/test_serializers.py b/api/tests/audio/test_serializers.py
index 785a844e3..17851fcea 100644
--- a/api/tests/audio/test_serializers.py
+++ b/api/tests/audio/test_serializers.py
@@ -216,7 +216,7 @@ def test_channel_serializer_representation(factories, to_api_date):
     channel = factories["audio.Channel"](artist__description=content)
     setattr(channel, "_downloads_count", 12)
     expected = {
-        "artist": music_serializers.SimpleArtistSerializer(),
+        "artist": music_serializers.SimpleArtistSerializer(channel.artist).data,
         "uuid": str(channel.uuid),
         "creation_date": to_api_date(channel.creation_date),
         "actor": federation_serializers.APIActorSerializer(channel.actor).data,
@@ -240,7 +240,7 @@ def test_channel_serializer_external_representation(factories, to_api_date):
     channel = factories["audio.Channel"](artist__description=content, external=True)
 
     expected = {
-        "artist": music_serializers.SimpleArtistSerializer(),
+        "artist": music_serializers.SimpleArtistSerializer(channel.artist).data,
         "uuid": str(channel.uuid),
         "creation_date": to_api_date(channel.creation_date),
         "actor": None,
diff --git a/api/tests/music/test_serializers.py b/api/tests/music/test_serializers.py
index 124a63f3e..213167277 100644
--- a/api/tests/music/test_serializers.py
+++ b/api/tests/music/test_serializers.py
@@ -179,7 +179,7 @@ def test_album_serializer(factories, to_api_date):
         "fid": album.fid,
         "mbid": str(album.mbid),
         "title": album.title,
-        "artist": serializers.SimpleArtistSerializer(),
+        "artist": serializers.SimpleArtistSerializer(album.artist).data,
         "creation_date": to_api_date(album.creation_date),
         "is_playable": False,
         "duration": 0,
@@ -209,7 +209,7 @@ def test_track_album_serializer(factories, to_api_date):
         "fid": album.fid,
         "mbid": str(album.mbid),
         "title": album.title,
-        "artist": serializers.SimpleArtistSerializer(),
+        "artist": serializers.SimpleArtistSerializer(album.artist).data,
         "creation_date": to_api_date(album.creation_date),
         "is_playable": False,
         "cover": common_serializers.AttachmentSerializer(album.attachment_cover).data,
@@ -241,7 +241,7 @@ def test_track_serializer(factories, to_api_date):
     expected = {
         "id": track.id,
         "fid": track.fid,
-        "artist": serializers.SimpleArtistSerializer(),
+        "artist": serializers.SimpleArtistSerializer(track.artist).data,
         "album": serializers.TrackAlbumSerializer(track.album).data,
         "mbid": str(track.mbid),
         "title": track.title,