diff --git a/libraries/config.default.php b/libraries/config.default.php
index 57ed7a710e..ed3ea8b335 100644
--- a/libraries/config.default.php
+++ b/libraries/config.default.php
@@ -2423,7 +2423,7 @@ $cfg['NaturalOrder'] = true;
 
 /**
  * Initial state for sliders
- * (open | closed)
+ * (open | closed | disabled)
  *
  * @global string $cfg['InitialSlidersState']
  */
diff --git a/libraries/config.values.php b/libraries/config.values.php
index 7f81924a0c..f4a7a499a7 100644
--- a/libraries/config.values.php
+++ b/libraries/config.values.php
@@ -72,7 +72,10 @@ $cfg_db['QueryWindowDefTab'] = array(
     'files',   // Import files
     'history', // SQL history
     'full');   // All (SQL and SQL history)
-$cfg_db['InitialSlidersState'] = array('open' => __('Open'), 'closed' => __('Closed'));
+$cfg_db['InitialSlidersState'] = array(
+    'open' => __('Open'), 
+    'closed' => __('Closed'),
+    'disabled' => __('Disabled'));
 $cfg_db['Import']['format'] = array(
     'csv',    // CSV
     'docsql', // DocSQL