diff --git a/packages/runtime-dom/src/apiCustomElement.ts b/packages/runtime-dom/src/apiCustomElement.ts
index eabe83b6b9f..aa5ae4b9a31 100644
--- a/packages/runtime-dom/src/apiCustomElement.ts
+++ b/packages/runtime-dom/src/apiCustomElement.ts
@@ -216,7 +216,7 @@ export class VueElement extends BaseClass {
 
     const resolve = (def: InnerComponentDef) => {
       const { props, styles } = def
-      const hasOptions = !isArray(props)
+      const hasOptions = props && !isArray(props) 
       const rawKeys = props ? (hasOptions ? Object.keys(props) : props) : []
 
       // cast Number-type props set before resolve