diff --git a/Ix.NET/Source/System.Linq.Async/System/Linq/Operators/ToAsyncEnumerable.Observable.cs b/Ix.NET/Source/System.Linq.Async/System/Linq/Operators/ToAsyncEnumerable.Observable.cs
index 6fa01ebba..bfdadf0ed 100644
--- a/Ix.NET/Source/System.Linq.Async/System/Linq/Operators/ToAsyncEnumerable.Observable.cs
+++ b/Ix.NET/Source/System.Linq.Async/System/Linq/Operators/ToAsyncEnumerable.Observable.cs
@@ -173,7 +173,7 @@ private void OnCanceled(object? state)
             {
                 var cancelledTcs = default(TaskCompletionSource<bool>);
 
-                Dispose();
+                DisposeSubscription();
 
                 while (true)
                 {