diff --git a/src/northbridge/intel/x4x/raminit_ddr23.c b/src/northbridge/intel/x4x/raminit_ddr23.c
index ffa861e..d14809e 100644
--- a/src/northbridge/intel/x4x/raminit_ddr23.c
+++ b/src/northbridge/intel/x4x/raminit_ddr23.c
@@ -16,7 +16,7 @@
 
 #include <assert.h>
 #include <stdint.h>
-#include <arch/io.h>
+#include <device/mmio.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
 #include <commonlib/helpers.h>