diff --git a/web/skins/classic/views/monitor.php b/web/skins/classic/views/monitor.php
index faa06bebf..e3c0e4a56 100644
--- a/web/skins/classic/views/monitor.php
+++ b/web/skins/classic/views/monitor.php
@@ -1031,11 +1031,11 @@ include('_monitor_source_nvsocket.php');
             </tr>
             <tr>
               <td><?php echo translate('TimestampLabelX') ?></td>
-              <td><input type="number" name="newMonitor[LabelX]" value="<?php echo validHtmlStr($monitor->LabelX()) ?>" min="1"/></td>
+              <td><input type="number" name="newMonitor[LabelX]" value="<?php echo validHtmlStr($monitor->LabelX()) ?>" min="0"/></td>
             </tr>
             <tr>
               <td><?php echo translate('TimestampLabelY') ?></td>
-              <td><input type="number" name="newMonitor[LabelY]" value="<?php echo validHtmlStr($monitor->LabelY()) ?>" min="1"/></td>
+              <td><input type="number" name="newMonitor[LabelY]" value="<?php echo validHtmlStr($monitor->LabelY()) ?>" min="0"/></td>
             </tr>
             <tr>
               <td><?php echo translate('TimestampLabelSize') ?></td>