diff --git a/includes/class-better-search-query.php b/includes/class-better-search-query.php
index 7782fb4..a706d55 100644
--- a/includes/class-better-search-query.php
+++ b/includes/class-better-search-query.php
@@ -39,6 +39,7 @@ public function __construct( $args = array() ) {
 			add_filter( 'posts_distinct', array( $core_query, 'posts_distinct' ), 10, 2 );
 			add_filter( 'posts_orderby', array( $core_query, 'posts_orderby' ), 10, 2 );
 			add_filter( 'posts_groupby', array( $core_query, 'posts_groupby' ), 10, 2 );
+			add_filter( 'posts_clauses', array( $core_query, 'posts_clauses' ), 10, 2 );
 			add_filter( 'posts_clauses_request', array( $core_query, 'set_topscore' ), 10, 2 );
 			add_filter( 'posts_pre_query', array( $core_query, 'posts_pre_query' ), 10, 2 );
 			add_filter( 'the_posts', array( $core_query, 'the_posts' ), 10, 2 );
@@ -54,6 +55,7 @@ public function __construct( $args = array() ) {
 			remove_filter( 'posts_distinct', array( $core_query, 'posts_distinct' ) );
 			remove_filter( 'posts_orderby', array( $core_query, 'posts_orderby' ) );
 			remove_filter( 'posts_groupby', array( $core_query, 'posts_groupby' ) );
+			remove_filter( 'posts_clauses', array( $core_query, 'posts_clauses' ) );
 			remove_filter( 'posts_clauses_request', array( $core_query, 'set_topscore' ) );
 			remove_filter( 'posts_pre_query', array( $core_query, 'posts_pre_query' ) );
 			remove_filter( 'the_posts', array( $core_query, 'the_posts' ) );