diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php
index 1c63b9be03..a67d52a9af 100644
--- a/wp-includes/taxonomy.php
+++ b/wp-includes/taxonomy.php
@@ -2040,6 +2040,7 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) {
 	$name_matches = get_terms( $taxonomy, array(
 		'name' => $name,
 		'hide_empty' => false,
+		'parent' => $args['parent'],
 	) );
 
 	/*
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 45e2331232..a6585aa598 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-40144';
+$wp_version = '4.8-alpha-40145';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.