Replace != null with is not null

1 files changed, 1 insertions, 1 deletions

diff --git a/Jellyfin.Api/Controllers/SubtitleController.cs b/Jellyfin.Api/Controllers/SubtitleController.cs
index b9c2a8ad8..ff9bd095b 100644
--- a/Jellyfin.Api/Controllers/SubtitleController.cs
+++ b/Jellyfin.Api/Controllers/SubtitleController.cs
@@ -522,7 +522,7 @@ namespace Jellyfin.Api.Controllers
                     .First(i => string.Equals(i.Name, name, StringComparison.OrdinalIgnoreCase));
                 var fileSize = fontFile?.Length;
 
-                if (fontFile != null && fileSize != null && fileSize > 0)
+                if (fontFile is not null && fileSize is not null && fileSize > 0)
                 {
                     _logger.LogDebug("Fallback font size is {FileSize} Bytes", fileSize);
                     return PhysicalFile(fontFile.FullName, MimeTypes.GetMimeType(fontFile.FullName));