diff --git a/chipset_enable.c b/chipset_enable.c
index 44afed7..5afb503 100644
--- a/chipset_enable.c
+++ b/chipset_enable.c
@@ -37,6 +37,7 @@
 #include "hwaccess.h"
 #include "hwaccess_x86_io.h"
 #include "hwaccess_x86_msr.h"
+#include "hwaccess_physmap.h"
 #include "platform/pci.h"
 
 #define NOT_DONE_YET 1