diff --git a/packages/runtime-core/__tests__/apiTemplateRef.spec.ts b/packages/runtime-core/__tests__/apiTemplateRef.spec.ts
index 8ff6b2c59e1..68b14dd2b28 100644
--- a/packages/runtime-core/__tests__/apiTemplateRef.spec.ts
+++ b/packages/runtime-core/__tests__/apiTemplateRef.spec.ts
@@ -142,7 +142,7 @@ describe('api: template refs', () => {
       foo: ref(null),
       bar: ref(null)
     }
-    const refKey: Ref<keyof typeof refs> = ref('foo')
+    const refKey = ref('foo') as Ref<keyof typeof refs>
 
     const Comp = {
       setup() {