diff --git a/include/sta/rtos/queue.hpp b/include/sta/rtos/queue.hpp
index 51d5442..fe6fdc2 100644
--- a/include/sta/rtos/queue.hpp
+++ b/include/sta/rtos/queue.hpp
@@ -45,7 +45,7 @@ namespace sta
 		 * @param timeout   Timeout
 		 * @return          True on success
 		 */
-		bool put(const Message & msg, uint32_t timeout = osWaitForever);
+		bool put(const Message msg, uint32_t timeout = osWaitForever);
 		/**
 		 * @brief Take message from queue.
 		 *
diff --git a/include/sta/rtos/queue.tpp b/include/sta/rtos/queue.tpp
index 0d97029..858fec7 100644
--- a/include/sta/rtos/queue.tpp
+++ b/include/sta/rtos/queue.tpp
@@ -30,7 +30,7 @@ namespace sta
 	}
 
 	template <typename T>
-	bool RtosQueue<T>::put(const T & msg, uint32_t timeout /* = osWaitForever */)
+	bool RtosQueue<T>::put(const T msg, uint32_t timeout /* = osWaitForever */)
 	{
 		return (osOK == osMessageQueuePut(handle_, &msg, 0, timeout));
 	}