diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 6e8da5e..385e32b 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -116,8 +116,8 @@
 	}
 
 	if (priv->i->flags & ALPS_FW_BK_1) {
-		back = packet[2] & 4;
-		forward = packet[0] & 0x10;
+		back = packet[0] & 0x10;
+		forward = packet[2] & 4;
 	}
 
 	if (priv->i->flags & ALPS_FW_BK_2) {