diff --git a/util/nvramtool/coreboot_tables.h b/util/nvramtool/coreboot_tables.h
index 7c912be..afab7bc 100644
--- a/util/nvramtool/coreboot_tables.h
+++ b/util/nvramtool/coreboot_tables.h
@@ -146,6 +146,14 @@
         uint32_t size;
         uint8_t  string[0];
 };
+#define LB_TAG_SERIAL		0x000f
+#define LB_TAG_CONSOLE		0x0010
+#define LB_TAG_FORWARD		0x0011
+struct lb_forward {
+	uint32_t tag;
+	uint32_t size;
+	uint64_t forward;
+};
 
 /* The following structures are for the cmos definitions table */
 #define LB_TAG_CMOS_OPTION_TABLE 200