diff --git modules/taxonomy.views.inc modules/taxonomy.views.inc
index ad9cd7a..f015123 100644
--- modules/taxonomy.views.inc
+++ modules/taxonomy.views.inc
@@ -403,6 +403,13 @@ function taxonomy_views_plugins() {
         'path' => drupal_get_path('module', 'views') . '/modules/taxonomy',
       ),
     ),
+    'argument default' => array(
+      'taxonomy_tid' => array(
+        'title' => t('Taxonomy tid')
+        'handler' => 'views_plugin_argument_default_taxonomy_tid',
+        'path' => drupal_get_path('module', 'views') . '/modules/taxonomy',
+      ),
+    ),
   );
 }
 
diff --git modules/taxonomy/views_plugin_argument_default_taxonomy_tid.inc modules/taxonomy/views_plugin_argument_default_taxonomy_tid.inc
new file mode 100644
index 0000000..de7797a
--- /dev/null
+++ modules/taxonomy/views_plugin_argument_default_taxonomy_tid.inc
@@ -0,0 +1,15 @@
+<?php
+// $Id$
+/**
+ * @file
+ *   Taxonomy tid default argument.
+ */
+
+class views_plugin_argument_default_taxonomy_tid extends views_plugin_argument_default {
+  function get_argument() {
+    if (arg(0) == 'taxonomy' && arg(1) == 'term' && is_numeric(arg(2))) {
+      return arg(2);
+    }
+  }
+}
+