diff --git a/packages/dts-test/defineComponent.test-d.tsx b/packages/dts-test/defineComponent.test-d.tsx
index 7466249e10f..559b881d882 100644
--- a/packages/dts-test/defineComponent.test-d.tsx
+++ b/packages/dts-test/defineComponent.test-d.tsx
@@ -1389,6 +1389,15 @@ describe('function syntax w/ runtime props', () => {
   )
 })
 
+describe('function syntax w/ allowed props', () => {
+  const Foo = defineComponent((props: { msg: string }, ctx) => {
+    return () => {}
+  })
+  expectType<JSX.Element>(
+    <Foo msg="hi" class={'str'} style={'str'} custom={1} />
+  )
+})
+
 // check if defineComponent can be exported
 export default {
   // function components
diff --git a/packages/runtime-core/src/apiDefineComponent.ts b/packages/runtime-core/src/apiDefineComponent.ts
index 272bb548751..510cfc4a89d 100644
--- a/packages/runtime-core/src/apiDefineComponent.ts
+++ b/packages/runtime-core/src/apiDefineComponent.ts
@@ -112,7 +112,7 @@ export function defineComponent<
     emits?: E | EE[]
     slots?: S
   }
-): (props: Props & EmitsToProps<E>) => any
+): (props: Props & EmitsToProps<E> & PublicProps) => any
 export function defineComponent<
   Props extends Record<string, any>,
   E extends EmitsOptions = {},