diff --git a/www/js/jquery/form/zentao.js b/www/js/jquery/form/zentao.js
index 7f3e23d999..8f60b1e6b0 100644
--- a/www/js/jquery/form/zentao.js
+++ b/www/js/jquery/form/zentao.js
@@ -54,7 +54,7 @@ $.extend(
                         var i          = triggered.push(false);
 
                         /* Create the error message. */
-                        var errorMSG = '<div id="'  + errorLabel + '" class="text-error">';
+                        var errorMSG = '<div id="'  + errorLabel + '" class="text-error red">';
                         errorMSG += $.type(value) == 'string' ? value : value.join(';');
                         errorMSG += '</div>';