diff --git a/include/class.config.php b/include/class.config.php
index ab5d822fab63161344ae796386c8a13172d13b2b..e164fa8092afa723e5af770b2bb8dc42fa3e597a 100644
--- a/include/class.config.php
+++ b/include/class.config.php
@@ -1014,8 +1014,8 @@ class OsticketConfig extends Config {
             $errors['default_help_topic'] = __('Default help topic must be set to active');
         }
 
-        if (!preg_match('`(?!<\\\)#`', $vars['number_format']))
-            $errors['number_format'] = 'Ticket number format requires at least one hash character (#)';
+        if (!preg_match('`(?!<\\\)#`', $vars['ticket_number_format']))
+            $errors['ticket_number_format'] = 'Ticket number format requires at least one hash character (#)';
 
         if(!Validator::process($f, $vars, $errors) || $errors)
             return false;
@@ -1024,8 +1024,8 @@ class OsticketConfig extends Config {
             $this->update('default_storage_bk', $vars['default_storage_bk']);
 
         return $this->updateAll(array(
-            'number_format'=>$vars['number_format'] ?: '######',
-            'sequence_id'=>$vars['sequence_id'] ?: 0,
+            'ticket_number_format'=>$vars['ticket_number_format'] ?: '######',
+            'ticket_sequence_id'=>$vars['ticket_sequence_id'] ?: 0,
             'default_priority_id'=>$vars['default_priority_id'],
             'default_help_topic'=>$vars['default_help_topic'],
             'default_ticket_status_id'=>$vars['default_ticket_status_id'],
diff --git a/include/staff/settings-tickets.inc.php b/include/staff/settings-tickets.inc.php
index 603f43dfa3a7695772a79db0d5fe8688f9e76bd6..0aef056efa472af65087bf8126a7301bad4fc645 100644
--- a/include/staff/settings-tickets.inc.php
+++ b/include/staff/settings-tickets.inc.php
@@ -22,27 +22,28 @@ if(!($maxfileuploads=ini_get('max_file_uploads')))
                 <?php echo __('Default Ticket Number Format'); ?>:
             </td>
             <td>
-                <input type="text" name="number_format" value="<?php echo $config['number_format']; ?>"/>
+                <input type="text" name="ticket_number_format" value="<?php
+                echo $config['ticke_number_format']; ?>"/>
                 <span class="faded"><?php echo __('e.g.'); ?> <span id="format-example"><?php
-                    if ($config['sequence_id'])
-                        $seq = Sequence::lookup($config['sequence_id']);
+                    if ($config['ticket_sequence_id'])
+                        $seq = Sequence::lookup($config['ticket_sequence_id']);
                     if (!isset($seq))
                         $seq = new RandomSequence();
-                    echo $seq->current($config['number_format']);
+                    echo $seq->current($config['ticket_number_format']);
                     ?></span></span>
                 <i class="help-tip icon-question-sign" href="#number_format"></i>
-                <div class="error"><?php echo $errors['number_format']; ?></div>
+                <div class="error"><?php echo $errors['ticket_number_format']; ?></div>
             </td>
         </tr>
         <tr><td width="220"><?php echo __('Default Ticket Number Sequence'); ?>:</td>
 <?php $selected = 'selected="selected"'; ?>
             <td>
-                <select name="sequence_id">
-                <option value="0" <?php if ($config['sequence_id'] == 0) echo $selected;
+                <select name="ticket_sequence_id">
+                <option value="0" <?php if ($config['ticket_sequence_id'] == 0) echo $selected;
                     ?>>&mdash; <?php echo __('Random'); ?> &mdash;</option>
 <?php foreach (Sequence::objects() as $s) { ?>
                 <option value="<?php echo $s->id; ?>" <?php
-                    if ($config['sequence_id'] == $s->id) echo $selected;
+                    if ($config['ticket_sequence_id'] == $s->id) echo $selected;
                     ?>><?php echo $s->name; ?></option>
 <?php } ?>
                 </select>
@@ -287,12 +288,12 @@ $(function() {
       update_example = function() {
       request && request.abort();
       request = $.get('ajax.php/sequence/'
-        + $('[name=sequence_id] :selected').val(),
-        {'format': $('[name=number_format]').val()},
+        + $('[name=ticket_sequence_id] :selected').val(),
+        {'format': $('[name=ticket_number_format]').val()},
         function(data) { $('#format-example').text(data); }
       );
     };
-    $('[name=sequence_id]').on('change', update_example);
-    $('[name=number_format]').on('keyup', update_example);
+    $('[name=ticket_sequence_id]').on('change', update_example);
+    $('[name=ticket_number_format]').on('keyup', update_example);
 });
 </script>