diff --git a/src/UniTask/Assets/Plugins/UniTask/Runtime/CancellationTokenExtensions.cs b/src/UniTask/Assets/Plugins/UniTask/Runtime/CancellationTokenExtensions.cs
index c139acc..6575432 100644
--- a/src/UniTask/Assets/Plugins/UniTask/Runtime/CancellationTokenExtensions.cs
+++ b/src/UniTask/Assets/Plugins/UniTask/Runtime/CancellationTokenExtensions.cs
@@ -33,7 +33,7 @@ namespace Cysharp.Threading.Tasks
             var cts = new CancellationTokenSource();
             ToCancellationTokenCore(task, cts).Forget();
 
-            return CancellationTokenSource.CreateLinkedTokenSource(linkToken).Token;
+            return CancellationTokenSource.CreateLinkedTokenSource(cts.Token, linkToken).Token;
         }
 
         public static CancellationToken ToCancellationToken<T>(this UniTask<T> task)