diff --git a/wp-includes/class-wp-tax-query.php b/wp-includes/class-wp-tax-query.php
index b41f1b238e..38841c42b0 100644
--- a/wp-includes/class-wp-tax-query.php
+++ b/wp-includes/class-wp-tax-query.php
@@ -598,7 +598,7 @@ class WP_Tax_Query {
 			return;
 		}
 
-		if ( $query['field'] == $resulting_field ) {
+		if ( $query['field'] === $resulting_field ) {
 			return;
 		}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 27bccd97bc..16e4446ba7 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-beta3-56165';
+$wp_version = '6.3-beta3-56166';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.