diff --git a/src/wp-includes/query.php b/src/wp-includes/query.php
index 43be546c35..322af09e69 100644
--- a/src/wp-includes/query.php
+++ b/src/wp-includes/query.php
@@ -1887,6 +1887,8 @@ class WP_Query {
 		}
 
 		$this->tax_query = new WP_Tax_Query( $tax_query );
+
+		do_action( 'parse_tax_query', $this );
 	}
 
 	/**