diff --git a/libs/plugins/function.html_table.php b/libs/plugins/function.html_table.php
index c6693d88..0f6d03b9 100644
--- a/libs/plugins/function.html_table.php
+++ b/libs/plugins/function.html_table.php
@@ -73,6 +73,7 @@ function smarty_function_html_table($params, &$smarty)
             case 'trailpad':
             case 'hdir':
             case 'vdir':
+            case 'inner':
                 $$_key = (string)$_value;
                 break;