diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index b39e72d5413b60fb4845b7cf02991c557bcc49bf..d9d7d3c4cae2ed83b81b4b8db846d7fa8d826ed6 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -3400,7 +3400,7 @@ static int __devinit atyfb_pci_probe(struct pci_dev *pdev, const struct pci_devi
 	struct atyfb_par *par;
 	int i, rc = -ENOMEM;
 
-	for (i = ARRAY_SIZE(aty_chips); i >= 0; i--)
+	for (i = ARRAY_SIZE(aty_chips) - 1; i >= 0; i--)
 		if (pdev->device == aty_chips[i].pci_id)
 			break;