diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c
index f092c11f9d7d..87e480cc8206 100644
--- a/drivers/tty/serial/st-asc.c
+++ b/drivers/tty/serial/st-asc.c
@@ -65,7 +65,7 @@ static struct uart_driver asc_uart_driver;
 /* ASC_RXBUF */
 #define ASC_RXBUF_PE			0x100
 #define ASC_RXBUF_FE			0x200
-/**
+/*
  * Some of status comes from higher bits of the character and some come from
  * the status register. Combining both of them in to single status using dummy
  * bits.