diff --git a/install/sql/incremental/upd_dev_collection.sql b/install/sql/incremental/upd_dev_collection.sql
index 91db879d0caa29ab5b1283f74e80f2532eea88dc..aebc01dcb8284a8166864d7d54819f40e1b1862a 100644
--- a/install/sql/incremental/upd_dev_collection.sql
+++ b/install/sql/incremental/upd_dev_collection.sql
@@ -29,3 +29,6 @@ UPDATE `mail_user` set `disabledoveadm` = 'n';
 
 -- add disablequota-status for quota-status policy daemon
 ALTER TABLE `mail_user` ADD `disablequota-status` ENUM('n','y') CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT 'n' AFTER `disabledoveadm`;
+
+-- add disableindexer-worker for solr search
+ALTER TABLE `mail_user` ADD `disableindexer-worker` ENUM('n','y') CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT 'n' AFTER `disablequota-status`;
diff --git a/install/sql/ispconfig3.sql b/install/sql/ispconfig3.sql
index cc266ff2359c9b803a2e936310e61561f64af28d..9d2fb741340e7484c4d636b03a7db13cca82d52a 100644
--- a/install/sql/ispconfig3.sql
+++ b/install/sql/ispconfig3.sql
@@ -1063,6 +1063,7 @@ CREATE TABLE `mail_user` (
   `disablelmtp` enum('n','y') NOT NULL default 'n',
   `disabledoveadm` enum('n','y') NOT NULL default 'n',
   `disablequota-status` enum('n','y') NOT NULL default 'n',
+  `disableindexer-worker` enum('n','y') NOT NULL default 'n',
   `last_quota_notification` date NULL default NULL,
   `backup_interval` VARCHAR( 255 ) NOT NULL default 'none',
   `backup_copies` INT NOT NULL DEFAULT '1',