diff --git a/src/controls/ArcballControls.ts b/src/controls/ArcballControls.ts
index c64a77a..8a65882 100644
--- a/src/controls/ArcballControls.ts
+++ b/src/controls/ArcballControls.ts
@@ -190,7 +190,7 @@ class ArcballControls extends EventDispatcher {
   public minZoom: number
   public maxZoom: number
 
-  private target: Vector3
+  readonly target: Vector3
   private _currentTarget: Vector3
 
   private _tbRadius: number
diff --git a/src/controls/FirstPersonControls.ts b/src/controls/FirstPersonControls.ts
index 79fdd5d..e6bbd25 100644
--- a/src/controls/FirstPersonControls.ts
+++ b/src/controls/FirstPersonControls.ts
@@ -49,7 +49,7 @@ export class FirstPersonControls extends EventDispatcher {
 
   private lookDirection = new Vector3()
   private spherical = new Spherical()
-  private target = new Vector3()
+  readonly target = new Vector3()
 
   constructor(object: Camera, domElement?: HTMLElement | null) {
     super()