diff --git a/src/HotChocolate/Core/src/Abstractions/Execution/ISourceStream.cs b/src/HotChocolate/Core/src/Abstractions/Execution/ISourceStream.cs
index 35e8360eaf9..4987c617673 100644
--- a/src/HotChocolate/Core/src/Abstractions/Execution/ISourceStream.cs
+++ b/src/HotChocolate/Core/src/Abstractions/Execution/ISourceStream.cs
@@ -13,5 +13,5 @@ public interface ISourceStream : IAsyncDisposable
///
/// Reads the subscription result from the pub/sub system.
///
- IAsyncEnumerable