diff --git a/platforms/common/px4_work_queue/WorkQueueManager.cpp b/platforms/common/px4_work_queue/WorkQueueManager.cpp
index 3569238bad..77cc48103b 100644
--- a/platforms/common/px4_work_queue/WorkQueueManager.cpp
+++ b/platforms/common/px4_work_queue/WorkQueueManager.cpp
@@ -70,7 +70,7 @@ FindWorkQueueByName(const char *name)
 		return nullptr;
 	}
 
-	auto lg = _wq_manager_wqs_list->getLockGuard();
+	LockGuard lg{_wq_manager_wqs_list->mutex()};
 
 	// search list
 	for (WorkQueue *wq : *_wq_manager_wqs_list) {
@@ -304,7 +304,7 @@ WorkQueueManagerStop()
 		// first ask all WQs to stop
 		if (_wq_manager_wqs_list != nullptr) {
 			{
-				auto lg = _wq_manager_wqs_list->getLockGuard();
+				LockGuard lg{_wq_manager_wqs_list->mutex()};
 
 				// ask all work queues (threads) to stop
 				// NOTE: not currently safe without all WorkItems stopping first
@@ -348,7 +348,7 @@ WorkQueueManagerStatus()
 		const size_t num_wqs = _wq_manager_wqs_list->size();
 		PX4_INFO_RAW("\nWork Queue: %-1zu threads                      RATE        INTERVAL\n", num_wqs);
 
-		auto lg = _wq_manager_wqs_list->getLockGuard();
+		LockGuard lg{_wq_manager_wqs_list->mutex()};
 		size_t i = 0;
 
 		for (WorkQueue *wq : *_wq_manager_wqs_list) {
diff --git a/src/include/containers/BlockingList.hpp b/src/include/containers/BlockingList.hpp
index 0a68f783f3..a44207748c 100644
--- a/src/include/containers/BlockingList.hpp
+++ b/src/include/containers/BlockingList.hpp
@@ -80,7 +80,7 @@ public:
 		List<T>::clear();
 	}
 
-	LockGuard getLockGuard() { return LockGuard{_mutex}; }
+	pthread_mutex_t &mutex() { return _mutex; }
 
 private:
 
diff --git a/src/include/containers/LockGuard.hpp b/src/include/containers/LockGuard.hpp
index b5528d1b00..d6670c036a 100644
--- a/src/include/containers/LockGuard.hpp
+++ b/src/include/containers/LockGuard.hpp
@@ -44,6 +44,9 @@ public:
 		pthread_mutex_lock(&_mutex);
 	}
 
+	LockGuard(const LockGuard &other) = delete;
+	LockGuard &operator=(const LockGuard &other) = delete;
+
 	~LockGuard()
 	{
 		pthread_mutex_unlock(&_mutex);