diff --git a/src/southbridge/intel/lynxpoint/usb_ehci.c b/src/southbridge/intel/lynxpoint/usb_ehci.c
index 7f300d6..977dcfac 100644
--- a/src/southbridge/intel/lynxpoint/usb_ehci.c
+++ b/src/southbridge/intel/lynxpoint/usb_ehci.c
@@ -21,6 +21,7 @@
 #include <device/pci_ids.h>
 #include <device/pci_ehci.h>
 #include <arch/io.h>
+#include <device/pci_ops.h>
 #include "pch.h"
 
 #ifdef __SMM__