diff --git a/src/UniTask/Assets/Plugins/UniTask/Runtime/PlayerLoopHelper.cs b/src/UniTask/Assets/Plugins/UniTask/Runtime/PlayerLoopHelper.cs
index 538fc01..b17375e 100644
--- a/src/UniTask/Assets/Plugins/UniTask/Runtime/PlayerLoopHelper.cs
+++ b/src/UniTask/Assets/Plugins/UniTask/Runtime/PlayerLoopHelper.cs
@@ -285,7 +285,11 @@ namespace Cysharp.Threading.Tasks
             return dest.ToArray();
         }
 
-        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
+#if UNITY_2020_1_OR_NEWER
+		[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterAssembliesLoaded)]
+#else
+		[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
+#endif
         static void Init()
         {
             // capture default(unity) sync-context.