diff --git a/lib/plugins/plugin.inc.php b/lib/plugins/plugin.inc.php
index f362134..2e0bb34 100644
--- a/lib/plugins/plugin.inc.php
+++ b/lib/plugins/plugin.inc.php
@@ -202,6 +202,7 @@ class KTPlugin {
             'namespace' => $this->sNamespace,
             'path' => $this->sFilename,
             'version' => $this->iVersion,
+            'disabled' => 1,
         ));
         if (PEAR::isError($oEntity)) {
             return $oEntity;
diff --git a/plugins/ktcore/admin/plugins.php b/plugins/ktcore/admin/plugins.php
index 7110ae8..1a99657 100755
--- a/plugins/ktcore/admin/plugins.php
+++ b/plugins/ktcore/admin/plugins.php
@@ -39,9 +39,9 @@ class KTPluginDispatcher extends KTAdminDispatcher {
         $sTable = KTUtil::getTableName('plugins');
         $aIds = KTUtil::arrayGet($_REQUEST, 'pluginids');
         $sIds = DBUtil::paramArray($aIds);
-        $sQuery = sprintf('UPDATE %s SET disabled = true WHERE id NOT IN (%s)', $sTable, $sIds);
+        $sQuery = sprintf('UPDATE %s SET disabled = 1 WHERE id NOT IN (%s)', $sTable, $sIds);
         DBUtil::runQuery(array($sQuery, $aIds));
-        $sQuery = sprintf('UPDATE %s SET disabled = false WHERE id IN (%s)', $sTable, $sIds);
+        $sQuery = sprintf('UPDATE %s SET disabled = 0 WHERE id IN (%s)', $sTable, $sIds);
         DBUtil::runQuery(array($sQuery, $aIds));
         $this->successRedirectToMain('Plugins updated');
     }