diff --git a/dns/dyndns/src/etc/inc/plugins.inc.d/dyndns/phpDynDNS.inc b/dns/dyndns/src/etc/inc/plugins.inc.d/dyndns/phpDynDNS.inc
index 8d29919db..e16860a2c 100644
--- a/dns/dyndns/src/etc/inc/plugins.inc.d/dyndns/phpDynDNS.inc
+++ b/dns/dyndns/src/etc/inc/plugins.inc.d/dyndns/phpDynDNS.inc
@@ -681,12 +681,12 @@ class updatedns
                     if (!empty($OldIP)) {
                         /* Your Hostname already exists, deleting and creating it again */
                         $changes = array();
-                        $changes[] = $r53->prepareChange(DELETE, $hostname, $RecordType, $OldTTL, $OldIP);
-                        $changes[] = $r53->prepareChange(CREATE, $hostname, $RecordType, $NewTTL, $NewIP);
+                        $changes[] = $r53->prepareChange("DELETE", $hostname, $RecordType, $OldTTL, $OldIP);
+                        $changes[] = $r53->prepareChange("CREATE", $hostname, $RecordType, $NewTTL, $NewIP);
                         $result = $r53->changeResourceRecordSets("/hostedzone/$ZoneID", $changes);
                     } else {
                         /* Your Hostname does not exist yet, creating it */
-                        $changes = $r53->prepareChange(CREATE, $hostname, $RecordType, $NewTTL, $NewIP);
+                        $changes = $r53->prepareChange("CREATE", $hostname, $RecordType, $NewTTL, $NewIP);
                         $result = $r53->changeResourceRecordSets("/hostedzone/$ZoneID", $changes);
                     }
                 }