diff --git a/packages/runtime-core/src/component.ts b/packages/runtime-core/src/component.ts
index 2ad0a66f188..4ff52d9e4f2 100644
--- a/packages/runtime-core/src/component.ts
+++ b/packages/runtime-core/src/component.ts
@@ -99,7 +99,9 @@ export type Data = Record<string, unknown>
  * declare const instance: ComponentInstance<typeof MyComp>
  * ```
  */
-export type ComponentInstance<T> = T extends { new (): ComponentPublicInstance }
+export type ComponentInstance<T> = T extends {
+  new (): ComponentPublicInstance<any, any, any>
+}
   ? InstanceType<T>
   : T extends FunctionalComponent<infer Props, infer Emits>
     ? ComponentPublicInstance<Props, {}, {}, {}, {}, ShortEmitsToObject<Emits>>