diff --git a/src/index.html b/src/index.html
index a26cbe8..904e441 100644
--- a/src/index.html
+++ b/src/index.html
@@ -71,8 +71,8 @@
           geometry="primitive: plane"
           material="shader: flat; transparent: true"
           visible="false"
-          animation__posz="property: object3D.position.z; to: -8; startEvents: beatwrong; easing: easeOutQuart; duration: 4000"
-          animation__alpha="property: components.material.material.opacity; from: 1; to: 0; startEvents: beatwrong; easing: easeOutQuart; duration: 4000"></a-mixin>
+          animation__posz="property: object3D.position.z; to: -8; startEvents: beatwrong; easing: easeOutQuart; dur: 4000"
+          animation__alpha="property: components.material.material.opacity; from: 1; to: 0; startEvents: beatwrong; easing: easeOutQuart; dur: 4000"></a-mixin>
       </a-assets>
 
       <a-entity id="arrowObjTemplate" obj-model="obj: #arrowObj" visible="false"></a-entity>