diff --git a/src/southbridge/intel/ibexpeak/usb_ehci.c b/src/southbridge/intel/ibexpeak/usb_ehci.c
index 40ba758..dee25f6 100644
--- a/src/southbridge/intel/ibexpeak/usb_ehci.c
+++ b/src/southbridge/intel/ibexpeak/usb_ehci.c
@@ -30,10 +30,7 @@
 	pci_write_config32(dev, 0xf4, 0x00808588);
 	pci_write_config32(dev, 0xfc, 0x301b1728);
 
-	reg32 = pci_read_config32(dev, PCI_COMMAND);
-	reg32 |= PCI_COMMAND_MASTER;
-	//reg32 |= PCI_COMMAND_SERR;
-	pci_write_config32(dev, PCI_COMMAND, reg32);
+	pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER);
 
 	access_cntl = pci_read_config8(dev, 0x80);