diff --git a/Runtime/ProfilerUtility.cs b/Runtime/ProfilerUtility.cs
index b2d70bf..6c7459e 100644
--- a/Runtime/ProfilerUtility.cs
+++ b/Runtime/ProfilerUtility.cs
@@ -5,7 +5,7 @@ namespace VertexColor.ScenePartition
 {
     public static class ProfilerUtility
     {
-        public class ProfilerScope : System.IDisposable
+        public struct ProfilerScope : System.IDisposable
         {
             public ProfilerScope(string name)
             {