diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index 899e3f75f288..02ff3d19b1cc 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -315,7 +315,7 @@ static void sony_laptop_report_input_event(u8 event)
 		break;
 
 	default:
-		if (event > ARRAY_SIZE(sony_laptop_input_index)) {
+		if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 			dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 			break;
 		}