diff --git a/src/startup.cpp b/src/startup.cpp
index fe3e085..53fbc56 100644
--- a/src/startup.cpp
+++ b/src/startup.cpp
@@ -53,7 +53,7 @@ namespace sta
 		 */
 		STA_WEAK
 		UART_HandleTypeDef * getUARThandle(){
-			return &huart1;
+			return &STA_STM32_USART_HANDLE;
 		}
 
 		/**