diff --git a/stm-firmware/stm-periph/uart.c b/stm-firmware/stm-periph/uart.c
index 88e5cd0..e2ad08d 100644
--- a/stm-firmware/stm-periph/uart.c
+++ b/stm-firmware/stm-periph/uart.c
@@ -91,6 +91,7 @@ void uart_change_brr(struct stm_uart *uart, uint32_t brr)
 	if (!uart || !uart->uart_dev)
 		return;
 
+	uart->brr_val = brr;
 	uart->uart_dev->BRR = brr;
 }