diff --git a/MediaBrowser.Providers/Music/MusicBrainzAlbumProvider.cs b/MediaBrowser.Providers/Music/MusicBrainzAlbumProvider.cs
index 3797f9039a..179e953f48 100644
--- a/MediaBrowser.Providers/Music/MusicBrainzAlbumProvider.cs
+++ b/MediaBrowser.Providers/Music/MusicBrainzAlbumProvider.cs
@@ -336,7 +336,7 @@ namespace MediaBrowser.Providers.Music
                                     }
                                     using (var subReader = reader.ReadSubtree())
                                     {
-                                        return ParseReleaseList(subReader);
+                                        return ParseReleaseList(subReader).ToList();
                                     }
                                 }
                             default:
diff --git a/MediaBrowser.Providers/Music/MusicBrainzArtistProvider.cs b/MediaBrowser.Providers/Music/MusicBrainzArtistProvider.cs
index 59280df897..728f7731af 100644
--- a/MediaBrowser.Providers/Music/MusicBrainzArtistProvider.cs
+++ b/MediaBrowser.Providers/Music/MusicBrainzArtistProvider.cs
@@ -110,7 +110,7 @@ namespace MediaBrowser.Providers.Music
                                         }
                                         using (var subReader = reader.ReadSubtree())
                                         {
-                                            return ParseArtistList(subReader);
+                                            return ParseArtistList(subReader).ToList();
                                         }
                                     }
                                 default: