diff --git a/src/www/javascript/opnsense_legacy.js b/src/www/javascript/opnsense_legacy.js
index 2ab4a9e5a..c91b57369 100644
--- a/src/www/javascript/opnsense_legacy.js
+++ b/src/www/javascript/opnsense_legacy.js
@@ -110,9 +110,14 @@ function hook_stacked_form_tables(match)
                   root_node.find('tr:visible').each(function () {
                       $(this).css("background-color", "inherit");
                       $(this).children().css("background-color", "inherit");
-                      if ( index % 2 == 0) {
+                      if ( index % 2 != 0) {
                           $(this).css("background-color", root_node.data('stripe-color'));
                       }
+                      if (index == 0) {
+                          // hide first visible table grid line
+                          $(this).find('td, th').css('border-top-width', '0px');
+                      }
+
                       // skip generated mobile headers (group header+content on mobile)
                       if (!$(this).hasClass('opnsense-table-mobile-header')) {
                           ++index;