diff --git a/ipc/QueueFactory.h b/ipc/QueueFactory.h
index 9a883fd8..09259ae3 100644
--- a/ipc/QueueFactory.h
+++ b/ipc/QueueFactory.h
@@ -18,7 +18,7 @@ public:
 	 */
 	static QueueFactory* instance();
 
-	MessageQueueIF* createMessageQueue(size_t messageDepth = 3,
+	MessageQueueIF* createMessageQueue(uint32_t messageDepth = 3,
 			size_t maxMessageSize = MessageQueueMessage::MAX_MESSAGE_SIZE);
 
 	void deleteMessageQueue(MessageQueueIF* queue);
diff --git a/osal/FreeRTOS/QueueFactory.cpp b/osal/FreeRTOS/QueueFactory.cpp
index a4ee5cf3..372d0d41 100644
--- a/osal/FreeRTOS/QueueFactory.cpp
+++ b/osal/FreeRTOS/QueueFactory.cpp
@@ -26,7 +26,7 @@ QueueFactory::QueueFactory() {
 QueueFactory::~QueueFactory() {
 }
 
-MessageQueueIF* QueueFactory::createMessageQueue(size_t messageDepth,
+MessageQueueIF* QueueFactory::createMessageQueue(uint32_t messageDepth,
 		size_t maxMessageSize) {
 	return new MessageQueue(messageDepth, maxMessageSize);
 }
diff --git a/osal/linux/QueueFactory.cpp b/osal/linux/QueueFactory.cpp
index 2bacb815..268d0b99 100644
--- a/osal/linux/QueueFactory.cpp
+++ b/osal/linux/QueueFactory.cpp
@@ -28,7 +28,7 @@ QueueFactory::QueueFactory() {
 QueueFactory::~QueueFactory() {
 }
 
-MessageQueueIF* QueueFactory::createMessageQueue(size_t messageDepth,
+MessageQueueIF* QueueFactory::createMessageQueue(uint32_t messageDepth,
 		size_t maxMessageSize) {
 	return new MessageQueue(messageDepth, maxMessageSize);
 }