diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 9ffbeef913e1..c9fdfc8bf47f 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -262,7 +262,8 @@ static int ulite_startup(struct uart_port *port)
 {
 	int ret;
 
-	ret = request_irq(port->irq, ulite_isr, IRQF_SHARED, "uartlite", port);
+	ret = request_irq(port->irq, ulite_isr, IRQF_SHARED | IRQF_TRIGGER_RISING,
+			  "uartlite", port);
 	if (ret)
 		return ret;