diff --git a/wp-includes/query.php b/wp-includes/query.php
index 0683100ed8..f0ca462bf6 100644
--- a/wp-includes/query.php
+++ b/wp-includes/query.php
@@ -1765,6 +1765,7 @@ class WP_Query {
 					$search .= " AND ($wpdb->posts.post_password = '') ";
 			}
 		}
+		$search = apply_filters('posts_search', $search, $this);
 
 		// Category stuff