diff --git a/src/core/Classes/Author_Editor.php b/src/core/Classes/Author_Editor.php
index d35348f4..641230f7 100644
--- a/src/core/Classes/Author_Editor.php
+++ b/src/core/Classes/Author_Editor.php
@@ -830,7 +830,8 @@ public static function admin_notices()
      */
     public static function filter_pre_insert_term($term, $taxonomy)
     {
-        if ($taxonomy === 'author' && !empty($_POST)) {
+        if ($taxonomy === 'author' && !empty($_POST['action']) && $_POST['action'] === 'add-tag') {
+
             $legacyPlugin = Factory::getLegacyPlugin();
             $author_id = (int)$_POST['authors-new'];
             $enable_guest_author_user = $legacyPlugin->modules->multiple_authors->options->enable_guest_author_user === 'yes';