diff --git a/src/northbridge/intel/x4x/dq_dqs.c b/src/northbridge/intel/x4x/dq_dqs.c
index d5526f6..ce18440 100644
--- a/src/northbridge/intel/x4x/dq_dqs.c
+++ b/src/northbridge/intel/x4x/dq_dqs.c
@@ -14,7 +14,7 @@
  * GNU General Public License for more details.
  */
 
-#include <arch/io.h>
+#include <device/mmio.h>
 #include <console/console.h>
 #include <delay.h>
 #include <stdint.h>