diff --git a/packages/runtime-core/src/componentPublicInstance.ts b/packages/runtime-core/src/componentPublicInstance.ts
index e9e7770ebd9..e7aa7adf0d3 100644
--- a/packages/runtime-core/src/componentPublicInstance.ts
+++ b/packages/runtime-core/src/componentPublicInstance.ts
@@ -285,7 +285,7 @@ export type CreateComponentPublicInstanceWithMixins<
 export type ExposedKeys<
   T,
   Exposed extends string & keyof T,
-> = '' extends Exposed ? T : Pick<T, Exposed>
+> = Exposed extends string ? T : Pick<T, Exposed>
 
 // public properties exposed on the proxy, which is used as the render context
 // in templates (as `this` in the render option)