diff --git a/wp-admin/edit-tags.php b/wp-admin/edit-tags.php
index 3789747a8a..6aeb1032cf 100644
--- a/wp-admin/edit-tags.php
+++ b/wp-admin/edit-tags.php
@@ -281,7 +281,7 @@ else
 <div class="form-wrap">
 <h3><?php _e('Add a New Tag'); ?></h3>
 <form id="addtag" method="post" action="edit-tags.php" class="validate">
-<input type="hidden" name="action" value="add-tag" />
+<input type="hidden" name="action" value="addtag" />
 <input type="hidden" name="taxonomy" value="<?php echo esc_attr($taxonomy); ?>" />
 <?php wp_nonce_field('add-tag'); ?>