diff --git a/src/northbridge/amd/agesa/family10/reset_test.h b/src/northbridge/amd/agesa/family10/reset_test.h
index cb67de1438..48634ea870 100644
--- a/src/northbridge/amd/agesa/family10/reset_test.h
+++ b/src/northbridge/amd/agesa/family10/reset_test.h
@@ -18,6 +18,7 @@
 #ifndef _RESET_TEST_H_
 #define _RESET_TEST_H_
 
+#include <arch/io.h>
 #include "amdfam10.h"	/* NODE_PCI */
 
 #define NODE_ID			0x60