diff --git a/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs b/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
index fd50f156af..9bbd71b964 100644
--- a/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
+++ b/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
@@ -194,7 +194,8 @@ namespace Emby.Server.Implementations.Images
             return outputPath;
         }
 
-        protected virtual string CreateImage(BaseItem item,
+        protected virtual string CreateImage(
+            BaseItem item,
             IReadOnlyCollection<BaseItem> itemsWithImages,
             string outputPathWithoutExtension,
             ImageType imageType,
@@ -225,7 +226,7 @@ namespace Emby.Server.Implementations.Images
             throw new ArgumentException("Unexpected image type", nameof(imageType));
         }
 
-        public bool HasChanged(BaseItem item, IDirectoryService directoryServicee)
+        public bool HasChanged(BaseItem item, IDirectoryService directoryService)
         {
             if (!Supports(item))
             {
@@ -236,6 +237,7 @@ namespace Emby.Server.Implementations.Images
             {
                 return true;
             }
+
             if (SupportedImages.Contains(ImageType.Thumb) && HasChanged(item, ImageType.Thumb))
             {
                 return true;
diff --git a/Emby.Server.Implementations/UserViews/FolderImageProvider.cs b/Emby.Server.Implementations/UserViews/FolderImageProvider.cs
index 58a023638f..e12603b365 100644
--- a/Emby.Server.Implementations/UserViews/FolderImageProvider.cs
+++ b/Emby.Server.Implementations/UserViews/FolderImageProvider.cs
@@ -77,16 +77,12 @@ namespace Emby.Server.Implementations.UserViews
                 return false;
             }
 
-            if (item is Folder folder)
+            if (item is Folder && item.IsTopParent)
             {
-                if (folder.IsTopParent)
-                {
-                    return false;
-                }
+                return false;
             }
 
             return true;
-            //return item.SourceType == SourceType.Library;
         }
     }
 
diff --git a/Jellyfin.Drawing.Skia/SkiaEncoder.cs b/Jellyfin.Drawing.Skia/SkiaEncoder.cs
index dae0e94d45..ccee5c5b91 100644
--- a/Jellyfin.Drawing.Skia/SkiaEncoder.cs
+++ b/Jellyfin.Drawing.Skia/SkiaEncoder.cs
@@ -53,9 +53,7 @@ namespace Jellyfin.Drawing.Skia
                 "jpeg",
                 "jpg",
                 "png",
-
                 "dng",
-
                 "webp",
                 "gif",
                 "bmp",
@@ -64,10 +62,8 @@ namespace Jellyfin.Drawing.Skia
                 "ktx",
                 "pkm",
                 "wbmp",
-
-                // TODO
-                // Are all of these supported? https://github.com/google/skia/blob/master/infra/bots/recipes/test.py#L454
-
+                // TODO: check if these are supported on multiple platforms
+                // https://github.com/google/skia/blob/master/infra/bots/recipes/test.py#L454
                 // working on windows at least
                 "cr2",
                 "nef",
@@ -272,7 +268,7 @@ namespace Jellyfin.Drawing.Skia
                 return path;
             }
 
-            var tempPath = Path.Combine(_appPaths.TempDirectory, Guid.NewGuid() + Path.GetExtension(path) ?? string.Empty);
+            var tempPath = Path.Combine(_appPaths.TempDirectory, Guid.NewGuid() + Path.GetExtension(path));
 
             Directory.CreateDirectory(Path.GetDirectoryName(tempPath));
             File.Copy(path, tempPath, true);