1 files changed, 5 insertions, 0 deletions
diff --git a/MediaBrowser.Controller/Entities/AudioBook.cs b/MediaBrowser.Controller/Entities/AudioBook.cs
index c15cae8b1..8b1c338f1 100644
--- a/MediaBrowser.Controller/Entities/AudioBook.cs
+++ b/MediaBrowser.Controller/Entities/AudioBook.cs
@@ -47,6 +47,11 @@ namespace MediaBrowser.Controller.Entities
             return SeriesPresentationUniqueKey;
         }
 
+        public override double? GetDefaultPrimaryImageAspectRatio()
+        {
+            return null;
+        }
+
         [IgnoreDataMember]
         public override bool EnableRefreshOnDateModifiedChange
         {