diff --git a/op-mode-definitions/dhcp.xml.in b/op-mode-definitions/dhcp.xml.in
index 97af506db7..6114142f00 100644
--- a/op-mode-definitions/dhcp.xml.in
+++ b/op-mode-definitions/dhcp.xml.in
@@ -130,7 +130,7 @@
                     <properties>
                       <help>Show DHCPv6 server leases sorted by the specified key</help>
                       <completionHelp>
-                        <list>end iaid_duid ip last_communication pool remaining state type</list>
+                        <list>end duid ip last_communication pool remaining state type</list>
                       </completionHelp>
                     </properties>
                     <command>${vyos_op_scripts_dir}/dhcp.py show_server_leases --family inet6 --sort $6</command>
diff --git a/src/op_mode/dhcp.py b/src/op_mode/dhcp.py
index a7143d6643..54d492cdac 100755
--- a/src/op_mode/dhcp.py
+++ b/src/op_mode/dhcp.py
@@ -37,7 +37,7 @@
 config = ConfigTreeQuery()
 lease_valid_states = ['all', 'active', 'free', 'expired', 'released', 'abandoned', 'reset', 'backup']
 sort_valid_inet = ['end', 'mac', 'hostname', 'ip', 'pool', 'remaining', 'start', 'state']
-sort_valid_inet6 = ['end', 'iaid_duid', 'ip', 'last_communication', 'pool', 'remaining', 'state', 'type']
+sort_valid_inet6 = ['end', 'duid', 'ip', 'last_communication', 'pool', 'remaining', 'state', 'type']
 
 ArgFamily = typing.Literal['inet', 'inet6']
 ArgState = typing.Literal['all', 'active', 'free', 'expired', 'released', 'abandoned', 'reset', 'backup']
@@ -105,7 +105,7 @@ def _get_raw_server_leases(family='inet', pool=None, sorted=None, state=[], orig
 
                 if family == 'inet6':
                     data_lease['last_communication'] = lease.last_communication.timestamp()
-                    data_lease['iaid_duid'] = _format_hex_string(lease.host_identifier_string)
+                    data_lease['duid'] = _format_hex_string(lease.duid)
                     lease_types_long = {'na': 'non-temporary', 'ta': 'temporary', 'pd': 'prefix delegation'}
                     data_lease['type'] = lease_types_long[lease.type]
 
@@ -175,11 +175,11 @@ def _get_formatted_server_leases(raw_data, family='inet'):
             remain = lease.get('remaining')
             lease_type = lease.get('type')
             pool = lease.get('pool')
-            host_identifier = lease.get('iaid_duid')
+            host_identifier = lease.get('duid')
             data_entries.append([ipaddr, state, start, end, remain, lease_type, pool, host_identifier])
 
         headers = ['IPv6 address', 'State', 'Last communication', 'Lease expiration', 'Remaining', 'Type', 'Pool',
-                   'IAID_DUID']
+                   'DUID']
 
     output = tabulate(data_entries, headers, numalign='left')
     return output