diff --git a/src/commonlib/include/commonlib/timestamp_serialized.h b/src/commonlib/include/commonlib/timestamp_serialized.h
index d34c8ae700..f60e040c3b 100644
--- a/src/commonlib/include/commonlib/timestamp_serialized.h
+++ b/src/commonlib/include/commonlib/timestamp_serialized.h
@@ -148,6 +148,7 @@ enum timestamp_id {
 	/* 990+ reserved for vendorcode extensions (990-999: Intel ME continued) */
 	TS_ME_ROM_START = 990,
 	TS_ISSE_DMU_LOAD_END = 991,
+	TS_ESE_LOAD_AUNIT_END = 992,
 
 	/* 1000+ reserved for payloads */
 
@@ -344,6 +345,7 @@ static const struct timestamp_id_to_name {
 	/* Intel ME continued */
 	TS_NAME_DEF(TS_ME_ROM_START, 0, "CSME ROM started execution"),
 	TS_NAME_DEF(TS_ISSE_DMU_LOAD_END, 0, "Die Management Unit (DMU) load completed"),
+	TS_NAME_DEF(TS_ESE_LOAD_AUNIT_END, 0, "ESE completed AUnit loading"),
 
 	/* Depthcharge entry timestamp */
 	TS_NAME_DEF(TS_DC_START, 0, "depthcharge start"),