diff --git a/rdap/start_rdap.php b/rdap/start_rdap.php
index 1ae0ecf..d4fac32 100644
--- a/rdap/start_rdap.php
+++ b/rdap/start_rdap.php
@@ -438,8 +438,8 @@ function handleDomainQuery($request, $response, $pdo, $domainName, $c, $log) {
         ];
 
         // Check if domain last update is set and not empty
-        if (isset($domainDetails['update']) && !empty($domainDetails['update'])) {
-            $updateDateTime = new DateTime($domainDetails['update']);
+        if (isset($domainDetails['lastupdate']) && !empty($domainDetails['lastupdate'])) {
+            $updateDateTime = new DateTime($domainDetails['lastupdate']);
             $events[] = [
                 'eventAction' => 'last domain update',
                 'eventDate' => $updateDateTime->format('Y-m-d\TH:i:s.v\Z')
@@ -1668,8 +1668,8 @@ function handleDomainSearchQuery($request, $response, $pdo, $searchPattern, $c,
         ];
 
         // Check if domain last update is set and not empty
-        if (isset($domainDetails['update']) && !empty($domainDetails['update'])) {
-            $updateDateTime = new DateTime($domainDetails['update']);
+        if (isset($domainDetails['lastupdate']) && !empty($domainDetails['lastupdate'])) {
+            $updateDateTime = new DateTime($domainDetails['lastupdate']);
             $events[] = [
                 'eventAction' => 'last domain update',
                 'eventDate' => $updateDateTime->format('Y-m-d\TH:i:s.v\Z')
diff --git a/whois/port43/start_whois.php b/whois/port43/start_whois.php
index c6453b9..9481f6f 100644
--- a/whois/port43/start_whois.php
+++ b/whois/port43/start_whois.php
@@ -133,10 +133,10 @@ $server->on('receive', function ($server, $fd, $reactorId, $data) use ($c, $pool
 
                 if ($f = $stmt->fetch(PDO::FETCH_ASSOC)) {
                     $f['crdate'] = (new DateTime($f['crdate']))->format('Y-m-d\TH:i:s.v\Z');
-                    if (isset($f['update']) && $f['update'] !== null) {
-                        $f['update'] = (new DateTime($f['update']))->format('Y-m-d\TH:i:s.v\Z');
+                    if (isset($f['lastupdate']) && $f['lastupdate'] !== null) {
+                        $f['lastupdate'] = (new DateTime($f['lastupdate']))->format('Y-m-d\TH:i:s.v\Z');
                     } else {
-                        $f['update'] = '';
+                        $f['lastupdate'] = '';
                     }
                     $f['exdate'] = (new DateTime($f['exdate']))->format('Y-m-d\TH:i:s.v\Z');
                     
@@ -158,7 +158,7 @@ $server->on('receive', function ($server, $fd, $reactorId, $data) use ($c, $pool
                         ."\nRegistry Domain ID: D".$f['id']."-".$c['roid']
                         ."\nRegistrar WHOIS Server: ".$clidF['whois_server']
                         ."\nRegistrar URL: ".$clidF['url']
-                        ."\nUpdated Date: ".$f['update']
+                        ."\nUpdated Date: ".$f['lastupdate']
                         ."\nCreation Date: ".$f['crdate']
                         ."\nRegistry Expiry Date: ".$f['exdate']
                         ."\nRegistrar: ".$clidF['name']