diff --git a/src/Avalonia.Animation/AnimatorStateMachine`1.cs b/src/Avalonia.Animation/AnimatorStateMachine`1.cs
index 32acafcfc7..18ad76c51e 100644
--- a/src/Avalonia.Animation/AnimatorStateMachine`1.cs
+++ b/src/Avalonia.Animation/AnimatorStateMachine`1.cs
@@ -73,7 +73,7 @@ namespace Avalonia.Animation
 
             animationDirection = animation.PlaybackDirection;
             fillMode = animation.FillMode; 
-            onComplete = onComplete;
+            this.onComplete = onComplete;
         }
 
         public void Step(PlayState playState, long frameTick, Func<double, T, T> Interpolator)