diff --git a/packages/effect-fc/src/Component.ts b/packages/effect-fc/src/Component.ts
index 80e3997..a297b89 100644
--- a/packages/effect-fc/src/Component.ts
+++ b/packages/effect-fc/src/Component.ts
@@ -22,9 +22,9 @@ export namespace Component {
 }
 
 
-const ComponentProto = {
+const ComponentProto = Object.seal({
     pipe() { return Pipeable.pipeArguments(this, arguments) }
-} as const
+} as const)
 
 const nonReactiveTags = [Tracer.ParentSpan] as const