diff --git a/stimBuffApis/livoxGen1/ioUringAssemblyEngine.cpp b/stimBuffApis/livoxGen1/ioUringAssemblyEngine.cpp
index df5fade..f4305d8 100644
--- a/stimBuffApis/livoxGen1/ioUringAssemblyEngine.cpp
+++ b/stimBuffApis/livoxGen1/ioUringAssemblyEngine.cpp
@@ -286,6 +286,7 @@ void IoUringAssemblyEngine::stop(bool doAcquireLock)
 
 	// Cancel in-flight stall timeout timer
 	stallTimer.cancel();
+	onCqeReadyCallback = std::move([](void *, int){});
 
 	if (isSetup)
 	{