diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 2141501e9f2e..a0e2e797c6d5 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -100,8 +100,8 @@ static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
 	}
 
 	if (priv->i->flags & ALPS_OLDPROTO) {
-		left = packet[2] & 0x08;
-		right = packet[2] & 0x10;
+		left = packet[2] & 0x10;
+		right = packet[2] & 0x08;
 		middle = 0;
 		x = packet[1] | ((packet[0] & 0x07) << 7);
 		y = packet[4] | ((packet[3] & 0x07) << 7);