1 files changed, 19 insertions, 6 deletions
diff --git a/MediaBrowser.Providers/Books/AudioBookMetadataService.cs b/MediaBrowser.Providers/Books/AudioBookMetadataService.cs
index 4820e12ab..0062d5ab3 100644
--- a/MediaBrowser.Providers/Books/AudioBookMetadataService.cs
+++ b/MediaBrowser.Providers/Books/AudioBookMetadataService.cs
@@ -11,14 +11,31 @@ namespace MediaBrowser.Providers.Books
 {
     public class AudioBookMetadataService : MetadataService<AudioBook, SongInfo>
     {
-        protected override void MergeData(MetadataResult<AudioBook> source, MetadataResult<AudioBook> target, MetadataFields[] lockedFields, bool replaceData, bool mergeMetadataSettings)
+        public AudioBookMetadataService(
+            IServerConfigurationManager serverConfigurationManager,
+            ILogger logger,
+            IProviderManager providerManager,
+            IFileSystem fileSystem,
+            IUserDataManager userDataManager,
+            ILibraryManager libraryManager)
+            : base(serverConfigurationManager, logger, providerManager, fileSystem, userDataManager, libraryManager)
+        {
+        }
+
+        /// <inheritdoc />
+        protected override void MergeData(
+            MetadataResult<AudioBook> source,
+            MetadataResult<AudioBook> target,
+            MetadataFields[] lockedFields,
+            bool replaceData,
+            bool mergeMetadataSettings)
         {
             ProviderUtils.MergeBaseItemData(source, target, lockedFields, replaceData, mergeMetadataSettings);
 
             var sourceItem = source.Item;
             var targetItem = target.Item;
 
-            if (replaceData || targetItem.Artists.Length == 0)
+            if (replaceData || targetItem.Artists.Count == 0)
             {
                 targetItem.Artists = sourceItem.Artists;
             }
@@ -28,9 +45,5 @@ namespace MediaBrowser.Providers.Books
                 targetItem.Album = sourceItem.Album;
             }
         }
-
-        public AudioBookMetadataService(IServerConfigurationManager serverConfigurationManager, ILogger logger, IProviderManager providerManager, IFileSystem fileSystem, IUserDataManager userDataManager, ILibraryManager libraryManager) : base(serverConfigurationManager, logger, providerManager, fileSystem, userDataManager, libraryManager)
-        {
-        }
     }
 }