diff --git a/libupgrade/hmx_upgrade_nvram.c b/libupgrade/hmx_upgrade_nvram.c
index 67bd836..3aed6f1 100644
--- a/libupgrade/hmx_upgrade_nvram.c
+++ b/libupgrade/hmx_upgrade_nvram.c
@@ -165,6 +165,7 @@
   {NVRAM_FIELD_MAC_ADDR_WIFI, "MAC_ADDR_WIFI", HMX_NVRAM_PARTITION_RO, 0},
   {NVRAM_FIELD_MAC_ADDR_WIFI2, "MAC_ADDR_WIFI2", HMX_NVRAM_PARTITION_RO, 0},
   {NVRAM_FIELD_MAC_ADDR_WAN, "MAC_ADDR_WAN", HMX_NVRAM_PARTITION_RO, 0},
+  {NVRAM_FIELD_UITYPE, "UITYPE", HMX_NVRAM_PARTITION_RW, 0},
   {NVRAM_FIELD_DUMMY, "DUMMY", HMX_NVRAM_PARTITION_RW, 0}
 };
 /* End typedef */
diff --git a/libupgrade/hmx_upgrade_nvram.h b/libupgrade/hmx_upgrade_nvram.h
index 713a68f..743f71a 100644
--- a/libupgrade/hmx_upgrade_nvram.h
+++ b/libupgrade/hmx_upgrade_nvram.h
@@ -111,6 +111,7 @@
   NVRAM_FIELD_MAC_ADDR_WIFI,
   NVRAM_FIELD_MAC_ADDR_WIFI2,
   NVRAM_FIELD_MAC_ADDR_WAN,
+  NVRAM_FIELD_UITYPE,
   NVRAM_FIELD_DUMMY = 0xFFFF
 } NVRAM_FIELD_T;