diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c
index 5c5d18d..503f0b9 100644
--- a/drivers/serial/ucc_uart.c
+++ b/drivers/serial/ucc_uart.c
@@ -1066,7 +1066,7 @@
 	if (ser->type != PORT_UNKNOWN && ser->type != PORT_CPM)
 		return -EINVAL;
 
-	if (ser->irq < 0 || ser->irq >= NR_IRQS)
+	if (ser->irq < 0 || ser->irq >= nr_irqs)
 		return -EINVAL;
 
 	if (ser->baud_base < 9600)