diff --git a/UmlautAdaptarr/Services/TitleMatchingService.cs b/UmlautAdaptarr/Services/TitleMatchingService.cs
index 2eb7dc2..802c92b 100644
--- a/UmlautAdaptarr/Services/TitleMatchingService.cs
+++ b/UmlautAdaptarr/Services/TitleMatchingService.cs
@@ -314,7 +314,7 @@ namespace UmlautAdaptarr.Services
             {
                 return "book";
             }
-            else if (category == "3000" || category.StartsWith("Audio"))
+            else if (category == "3000" || category.StartsWith("Audio", StringComparison.OrdinalIgnoreCase))
             {
                 return "audio";
             }