1 files changed, 6 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/src/System/Threading/Win32ThreadPoolNativeOverlapped.cs b/src/System.Private.CoreLib/src/System/Threading/Win32ThreadPoolNativeOverlapped.cs
index 3249e5037..a47c16d8f 100644
--- a/src/System.Private.CoreLib/src/System/Threading/Win32ThreadPoolNativeOverlapped.cs
+++ b/src/System.Private.CoreLib/src/System/Threading/Win32ThreadPoolNativeOverlapped.cs
@@ -199,6 +199,12 @@ namespace System.Threading
             Debug.Assert(!data._completed);
             data._completed = true;
 
+            if (data._executionContext == null)
+            {
+                data._callback(errorCode, bytesWritten, ToNativeOverlapped(overlapped));
+                return;
+            }
+
             ContextCallback callback = s_executionContextCallback;
             if (callback == null)
                 s_executionContextCallback = callback = OnExecutionContextCallback;