diff --git a/sys/dev/ata/ata-pci.h b/sys/dev/ata/ata-pci.h
index cad9441a21aeb8..0a365169c8196b 100644
--- a/sys/dev/ata/ata-pci.h
+++ b/sys/dev/ata/ata-pci.h
@@ -430,8 +430,8 @@ struct ata_pci_controller {
 #define ATA_HT1000_S1           0x024b1166
 #define ATA_HT1000_S2           0x024a1166
 #define ATA_K2			0x02401166
-#define ATA_FRODO4		0x02411166
-#define ATA_FRODO8		0x02421166
+#define ATA_FRODO8		0x02411166
+#define ATA_FRODO4		0x02421166
 
 #define ATA_SILICON_IMAGE_ID    0x1095
 #define ATA_SII3114             0x31141095