diff --git a/src/wp-includes/taxonomy.php b/src/wp-includes/taxonomy.php
index cc491a87dd..ea40f9e454 100644
--- a/src/wp-includes/taxonomy.php
+++ b/src/wp-includes/taxonomy.php
@@ -2233,7 +2233,7 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) {
 	);
 	$args     = wp_parse_args( $args, $defaults );
 
-	if ( $args['parent'] > 0 && ! term_exists( (int) $args['parent'] ) ) {
+	if ( (int) $args['parent'] > 0 && ! term_exists( (int) $args['parent'] ) ) {
 		return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) );
 	}
 
@@ -3001,7 +3001,7 @@ function wp_update_term( $term_id, $taxonomy, $args = array() ) {
 		return new WP_Error( 'empty_term_name', __( 'A name is required for this term.' ) );
 	}
 
-	if ( $parsed_args['parent'] > 0 && ! term_exists( (int) $parsed_args['parent'] ) ) {
+	if ( (int) $parsed_args['parent'] > 0 && ! term_exists( (int) $parsed_args['parent'] ) ) {
 		return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) );
 	}