diff --git a/drivers/acpi/nvs.c b/drivers/acpi/nvs.c
index ef28613d5192..de4fe03873c5 100644
--- a/drivers/acpi/nvs.c
+++ b/drivers/acpi/nvs.c
@@ -13,6 +13,8 @@
 #include <linux/slab.h>
 #include <linux/acpi.h>
 
+#include "internal.h"
+
 /* ACPI NVS regions, APEI may use it */
 
 struct nvs_region {