diff --git a/src/cpu/intel/haswell/romstage.c b/src/cpu/intel/haswell/romstage.c
index 9c08aa1..b8ce5d6 100644
--- a/src/cpu/intel/haswell/romstage.c
+++ b/src/cpu/intel/haswell/romstage.c
@@ -24,6 +24,7 @@
 #include <halt.h>
 #include <lib.h>
 #include <timestamp.h>
+#include <arch/acpi.h>
 #include <arch/io.h>
 #include <arch/stages.h>
 #include <device/pci_def.h>