diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index d2bcf55..5e93e6d 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -9,6 +9,7 @@
 	DMI_SYS_VENDOR,
 	DMI_PRODUCT_NAME,
 	DMI_PRODUCT_VERSION,
+	DMI_PRODUCT_SERIAL,
 	DMI_BOARD_VENDOR,
 	DMI_BOARD_NAME,
 	DMI_BOARD_VERSION,