diff --git a/board/freescale/mpc8548cds/mpc8548cds.c b/board/freescale/mpc8548cds/mpc8548cds.c
index ff8d26f..70320ea 100644
--- a/board/freescale/mpc8548cds/mpc8548cds.c
+++ b/board/freescale/mpc8548cds/mpc8548cds.c
@@ -313,7 +313,7 @@
 
 		/* outbound io */
 		pci_set_region(r++,
-			       CONFIG_SYS_PCI1_IO_BASE,
+			       CONFIG_SYS_PCI1_IO_BUS,
 			       CONFIG_SYS_PCI1_IO_PHYS,
 			       CONFIG_SYS_PCI1_IO_SIZE,
 			       PCI_REGION_IO);
@@ -397,7 +397,7 @@
 
 		/* outbound io */
 		pci_set_region(r++,
-			       CONFIG_SYS_PCIE1_IO_BASE,
+			       CONFIG_SYS_PCIE1_IO_BUS,
 			       CONFIG_SYS_PCIE1_IO_PHYS,
 			       CONFIG_SYS_PCIE1_IO_SIZE,
 			       PCI_REGION_IO);