diff --git a/Assets/Klak/Hap/Runtime/HapPlayer.cs b/Assets/Klak/Hap/Runtime/HapPlayer.cs
index 4b54d7d..83e2004 100644
--- a/Assets/Klak/Hap/Runtime/HapPlayer.cs
+++ b/Assets/Klak/Hap/Runtime/HapPlayer.cs
@@ -220,6 +220,7 @@ public void SetTime(double time)
 
         public void GatherProperties(PlayableDirector director, IPropertyCollector driver)
         {
+            driver.AddFromName<HapPlayer>(gameObject, "_time");
         }
 
         #endregion