diff --git a/data/web/inc/init_db.inc.php b/data/web/inc/init_db.inc.php
index 395ce2e1..60a8ead2 100644
--- a/data/web/inc/init_db.inc.php
+++ b/data/web/inc/init_db.inc.php
@@ -3,7 +3,7 @@ function init_db_schema() {
   try {
     global $pdo;
 
-    $db_version = "29102021_0620";
+    $db_version = "31102021_0620";
 
     $stmt = $pdo->query("SHOW TABLES LIKE 'versions'");
     $num_results = count($stmt->fetchAll(PDO::FETCH_ASSOC));
@@ -1218,6 +1218,7 @@ function init_db_schema() {
     $pdo->query("UPDATE `mailbox` SET `attributes` =  JSON_SET(`attributes`, '$.passwd_update', \"0\") WHERE JSON_VALUE(`attributes`, '$.passwd_update') IS NULL;");
     $pdo->query("UPDATE `mailbox` SET `attributes` =  JSON_SET(`attributes`, '$.relayhost', \"0\") WHERE JSON_VALUE(`attributes`, '$.relayhost') IS NULL;");
     $pdo->query("UPDATE `mailbox` SET `attributes` =  JSON_SET(`attributes`, '$.force_pw_update', \"0\") WHERE JSON_VALUE(`attributes`, '$.force_pw_update') IS NULL;");
+    $pdo->query("UPDATE `mailbox` SET `attributes` =  JSON_SET(`attributes`, '$.sieve_access', \"1\") WHERE JSON_VALUE(`attributes`, '$.sieve_access') IS NULL;");
     $pdo->query("UPDATE `mailbox` SET `attributes` =  JSON_SET(`attributes`, '$.sogo_access', \"1\") WHERE JSON_VALUE(`attributes`, '$.sogo_access') IS NULL;");
     $pdo->query("UPDATE `mailbox` SET `attributes` =  JSON_SET(`attributes`, '$.imap_access', \"1\") WHERE JSON_VALUE(`attributes`, '$.imap_access') IS NULL;");
     $pdo->query("UPDATE `mailbox` SET `attributes` =  JSON_SET(`attributes`, '$.pop3_access', \"1\") WHERE JSON_VALUE(`attributes`, '$.pop3_access') IS NULL;");