diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index fa26be7f9414..300f641e730d 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -960,7 +960,8 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
 		}
 		serial_port_out(port, SCSCR, scr);
 		/* Clear current interrupt */
-		serial_port_out(port, SCxSR, ssr & ~(1 | SCxSR_RDxF(port)));
+		serial_port_out(port, SCxSR,
+				ssr & ~(SCIF_DR | SCxSR_RDxF(port)));
 		dev_dbg(port->dev, "Rx IRQ %lu: setup t-out in %u jiffies\n",
 			jiffies, s->rx_timeout);
 		mod_timer(&s->rx_timer, jiffies + s->rx_timeout);