diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index d291518a58a42772175c791d96ce3a0b2eead419..c5bc23d6ade984176a2a2dcd6ee13007d443b5c2 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1266,6 +1266,7 @@ static int pch_uart_startup(struct uart_port *port)
 		break;
 	case 16:
 		fifo_size = PCH_UART_HAL_FIFO16;
+		break;
 	case 1:
 	default:
 		fifo_size = PCH_UART_HAL_FIFO_DIS;