diff --git a/packages/runtime-core/src/component.ts b/packages/runtime-core/src/component.ts
index ea682c1f..808ad344 100644
--- a/packages/runtime-core/src/component.ts
+++ b/packages/runtime-core/src/component.ts
@@ -456,7 +456,7 @@ export function createComponentInstance(
     next: null,
     subTree: null!, // will be set synchronously right after creation
     update: null!, // will be set synchronously right after creation
-    scope: new EffectScope(),
+    scope: new EffectScope(true /* detached */),
     render: null,
     proxy: null,
     exposed: null,