diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 53edbf1d8963..28d665a9861a 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -3330,7 +3330,7 @@ static int sci_init_single(struct platform_device *dev,
 			sci_port->rx_trigger = 8;
 		break;
 	case SCI_PORT_RSCI:
-		sci_port->rx_trigger = 15;
+		sci_port->rx_trigger = 16;
 		break;
 	default:
 		sci_port->rx_trigger = 1;