diff --git a/app/MindWork AI Studio/Settings/Provider.cs b/app/MindWork AI Studio/Settings/Provider.cs
index 36568e63..94a1a747 100644
--- a/app/MindWork AI Studio/Settings/Provider.cs
+++ b/app/MindWork AI Studio/Settings/Provider.cs
@@ -20,7 +20,7 @@ namespace AIStudio.Settings;
/// Whether the provider is self-hosted.
/// The hostname of the provider. Useful for self-hosted providers.
/// The LLM model to use for chat.
-public record Provider(
+public sealed record Provider(
uint Num,
string Id,
string InstanceName,