diff --git a/src/southbridge/intel/i82801dx/ac97.c b/src/southbridge/intel/i82801dx/ac97.c
index f9a7904..cbbc370 100644
--- a/src/southbridge/intel/i82801dx/ac97.c
+++ b/src/southbridge/intel/i82801dx/ac97.c
@@ -19,6 +19,7 @@
 #include <device/pci.h>
 #include <device/pci_ids.h>
 #include <arch/io.h>
+#include <device/pci_ops.h>
 #include <delay.h>
 #include "i82801dx.h"