diff --git a/packages/runtime-core/src/component.ts b/packages/runtime-core/src/component.ts
index 3ed42ed0b55..580445328ec 100644
--- a/packages/runtime-core/src/component.ts
+++ b/packages/runtime-core/src/component.ts
@@ -110,7 +110,9 @@ 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>>