diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 6236deb28905..184b0183bb38 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -276,7 +276,7 @@ static void stm32_shutdown(struct uart_port *port)
 	u32 val;
 
 	val = USART_CR1_TXEIE | USART_CR1_RXNEIE | USART_CR1_TE | USART_CR1_RE;
-	stm32_set_bits(port, ofs->cr1, val);
+	stm32_clr_bits(port, ofs->cr1, val);
 
 	free_irq(port->irq, port);
 }