diff --git a/smocore/deviceManager/deviceManager.cpp b/smocore/deviceManager/deviceManager.cpp
index 49c6f09..af2713e 100644
--- a/smocore/deviceManager/deviceManager.cpp
+++ b/smocore/deviceManager/deviceManager.cpp
@@ -7,6 +7,7 @@
 #include <memory>
 #include <opts.h>
 #include <asynchronousContinuation.h>
+#include <serializedAsynchronousContinuation.h>
 #include <callback.h>
 #include <componentThread.h>
 #include <deviceManager/deviceManager.h>
@@ -316,15 +317,15 @@ void DeviceManager::removeDeviceAttachmentSpecReq(
 }
 
 class DeviceManager::AttachSenseDeviceReq
-:	public PostedAsynchronousContinuation<attachSenseDeviceReqCbFn>
+:	public SerializedAsynchronousContinuation<attachSenseDeviceReqCbFn>
 {
 public:
 	AttachSenseDeviceReq(
 		const std::shared_ptr<DeviceAttachmentSpec>& spec,
 		const std::shared_ptr<ComponentThread> &caller,
 		Callback<attachSenseDeviceReqCbFn> cb)
-	:	PostedAsynchronousContinuation<attachSenseDeviceReqCbFn>(
-			caller, cb),
+	:	SerializedAsynchronousContinuation<attachSenseDeviceReqCbFn>(
+			caller, cb, {std::ref(DeviceManager::getInstance().qutex)}),
 		spec(spec)
 	{}
 
@@ -469,7 +470,8 @@ void DeviceManager::attachSenseDeviceReq(
 	auto request = std::make_shared<AttachSenseDeviceReq>(
 		spec, caller, cb);
 
-	mrntt::mrntt.thread->getIoService().post(
+	AttachSenseDeviceReq::LockerAndInvoker lockvoker(
+		*request, mrntt::mrntt.thread,
 		std::bind(
 			&AttachSenseDeviceReq::attachSenseDeviceReq1_posted,
 			request.get(), request));
@@ -484,7 +486,8 @@ void DeviceManager::detachSenseDeviceReq(
 	auto request = std::make_shared<DetachSenseDeviceReq>(
 		spec, caller, cb);
 
-	mrntt::mrntt.thread->getIoService().post(
+	DetachSenseDeviceReq::LockerAndInvoker lockvoker(
+		*request, mrntt::mrntt.thread,
 		std::bind(
 			&DetachSenseDeviceReq::detachSenseDeviceReq1_posted,
 			request.get(), request));