diff --git a/src/xPDO/xPDO.php b/src/xPDO/xPDO.php
index 462f264e..606ff49b 100644
--- a/src/xPDO/xPDO.php
+++ b/src/xPDO/xPDO.php
@@ -2030,7 +2030,8 @@ protected function _log($level, $msg, $target= '', $def= '', $file= '', $line= '
             }
             switch ($target) {
                 case 'HTML' :
-                    echo '<h5>[' . strftime('%Y-%m-%d %H:%M:%S') . '] (' . $this->_getLogLevel($level) . $def . $file . $line . ')</h5><pre>' . $msg . '</pre>' . "\n";
+                    $debugBlockClass = $this->getOption('debug_block_class',NULL,'modx-debug-block');
+                    echo '<div class="'.$debugBlockClass.'">'.'<h5>[' . strftime('%Y-%m-%d %H:%M:%S') . '] (' . $this->_getLogLevel($level) . $def . $file . $line . ')</h5><pre>' . $msg . '</pre></div>' . "\n";
                     break;
                 default :
                     echo '[' . strftime('%Y-%m-%d %H:%M:%S') . '] (' . $this->_getLogLevel($level) . $def . $file . $line . ') ' . $msg . "\n";