2 files changed, 3 insertions, 5 deletions
diff --git a/MediaBrowser.Controller/Drawing/IImageProcessor.cs b/MediaBrowser.Controller/Drawing/IImageProcessor.cs
index e5ce0aa21..cdc3d52b9 100644
--- a/MediaBrowser.Controller/Drawing/IImageProcessor.cs
+++ b/MediaBrowser.Controller/Drawing/IImageProcessor.cs
@@ -66,7 +66,7 @@ namespace MediaBrowser.Controller.Drawing
         /// <returns>Guid.</returns>
         string GetImageCacheTag(BaseItem item, ItemImageInfo image);
 
-        string GetImageCacheTag(BaseItem item, ChapterInfo chapter);
+        string? GetImageCacheTag(BaseItem item, ChapterInfo chapter);
 
         string? GetImageCacheTag(User user);
 
diff --git a/MediaBrowser.Controller/Drawing/ImageProcessorExtensions.cs b/MediaBrowser.Controller/Drawing/ImageProcessorExtensions.cs
index 62b70ce53..10326363a 100644
--- a/MediaBrowser.Controller/Drawing/ImageProcessorExtensions.cs
+++ b/MediaBrowser.Controller/Drawing/ImageProcessorExtensions.cs
@@ -1,5 +1,3 @@
-#nullable disable
-
 #pragma warning disable CS1591
 
 using MediaBrowser.Controller.Entities;
@@ -9,12 +7,12 @@ namespace MediaBrowser.Controller.Drawing
 {
     public static class ImageProcessorExtensions
     {
-        public static string GetImageCacheTag(this IImageProcessor processor, BaseItem item, ImageType imageType)
+        public static string? GetImageCacheTag(this IImageProcessor processor, BaseItem item, ImageType imageType)
         {
             return processor.GetImageCacheTag(item, imageType, 0);
         }
 
-        public static string GetImageCacheTag(this IImageProcessor processor, BaseItem item, ImageType imageType, int imageIndex)
+        public static string? GetImageCacheTag(this IImageProcessor processor, BaseItem item, ImageType imageType, int imageIndex)
         {
             var imageInfo = item.GetImageInfo(imageType, imageIndex);