diff --git a/Samples~/Example2/Scripts/CharacterAnimationSystem.cs b/Samples~/Example2/Scripts/CharacterAnimationSystem.cs
index 6611cee..9eb330b 100644
--- a/Samples~/Example2/Scripts/CharacterAnimationSystem.cs
+++ b/Samples~/Example2/Scripts/CharacterAnimationSystem.cs
@@ -2,7 +2,7 @@ using Unity.Entities;
 using Unity.Mathematics;
 using TAO.VertexAnimation;
 
-public class CharacterAnimationSystem : SystemBase
+public partial class CharacterAnimationSystem : SystemBase
 {
 	protected override void OnUpdate()
 	{
diff --git a/Samples~/Example2/Scripts/SpawnerSystem.cs b/Samples~/Example2/Scripts/SpawnerSystem.cs
index 84cbc0f..bb2d8f7 100644
--- a/Samples~/Example2/Scripts/SpawnerSystem.cs
+++ b/Samples~/Example2/Scripts/SpawnerSystem.cs
@@ -2,7 +2,7 @@ using Unity.Entities;
 using Unity.Transforms;
 using Unity.Mathematics;
 
-public class SpawnerSystem : SystemBase
+public partial class SpawnerSystem : SystemBase
 {
 	private EntityCommandBufferSystem enityCommandBufferSystem;