diff --git a/src/lights/DirectionalLight.ts b/src/lights/DirectionalLight.ts
index 138975b..ad51193 100644
--- a/src/lights/DirectionalLight.ts
+++ b/src/lights/DirectionalLight.ts
@@ -1,12 +1,12 @@
 import { defineComponent, PropType } from 'vue'
 import { DirectionalLight } from 'three'
-import { Vector2PropInterface } from '../core/Object3D'
+import { Vector3PropInterface } from '../core/Object3D'
 import Light from './Light'
 
 export default defineComponent({
   extends: Light,
   props: {
-    target: { type: Object as PropType<Vector2PropInterface>, default: () => ({ x: 0, y: 0, z: 0 }) },
+    target: { type: Object as PropType<Vector3PropInterface>, default: () => ({ x: 0, y: 0, z: 0 }) },
   },
   created() {
     this.initLight(new DirectionalLight(this.color, this.intensity))