diff --git a/modules/monitoring/application/views/helpers/PluginOutput.php b/modules/monitoring/application/views/helpers/PluginOutput.php
index 163dd2b14..1ccc8f866 100644
--- a/modules/monitoring/application/views/helpers/PluginOutput.php
+++ b/modules/monitoring/application/views/helpers/PluginOutput.php
@@ -33,7 +33,7 @@ class Zend_View_Helper_PluginOutput extends Zend_View_Helper_Abstract
             return '';
         }
         $output = preg_replace('~<br[^>]*>~', "\n", $output);
-        if (strlen($output) > strlen(strip_tags($output))) {
+        if (preg_match('~<[^>]*["/\'][^>]*>~', $output)) {
             // HTML
             $output = preg_replace(
                 '~<table~',