diff --git a/db/zm_create.sql.in b/db/zm_create.sql.in
index 13832d630..2fe82eb09 100644
--- a/db/zm_create.sql.in
+++ b/db/zm_create.sql.in
@@ -323,7 +323,7 @@ CREATE TABLE `Monitors` (
   `Type` enum('Local','Remote','File','Ffmpeg','Libvlc','cURL') NOT NULL default 'Local',
   `Function` enum('None','Monitor','Modect','Record','Mocord','Nodect') NOT NULL default 'Monitor',
   `Enabled` tinyint(3) unsigned NOT NULL default '1',
-  `LinkedMonitors` varchar(255) NOT NULL default '',
+  `LinkedMonitors` varchar(255),
   `Triggers` set('X10') NOT NULL default '',
   `Device` tinytext NOT NULL default '',
   `Channel` tinyint(3) unsigned NOT NULL default '0',