diff --git a/src/GraphicsSystem/Viewer.ts b/src/GraphicsSystem/Viewer.ts
index 65feaaf0f..b103b2fb2 100644
--- a/src/GraphicsSystem/Viewer.ts
+++ b/src/GraphicsSystem/Viewer.ts
@@ -283,10 +283,7 @@ export class Viewer
     UpdateLockTarget()
     {
         let renderList = this.m_Render.renderLists.get(this.m_Scene, this.m_Camera.m_CurCamera);
-        let box = GeUtils.GetBoxArr(renderList.opaque.map(o =>
-        {
-            return o.object
-        }));
+        let box = GeUtils.GetBoxArr(renderList.opaque.map(o => o.object));
         if (box)
         {
             this.m_LookTarget = box.getCenter();