diff --git a/wp-includes/class-wp-tax-query.php b/wp-includes/class-wp-tax-query.php
index a842b2c3fe..e220806401 100644
--- a/wp-includes/class-wp-tax-query.php
+++ b/wp-includes/class-wp-tax-query.php
@@ -440,7 +440,7 @@ class WP_Tax_Query {
 				// Store the alias with this clause, so later siblings can use it.
 				$clause['alias'] = $alias;
 
-				$join .= " INNER JOIN $wpdb->term_relationships";
+				$join .= " LEFT JOIN $wpdb->term_relationships";
 				$join .= $i ? " AS $alias" : '';
 				$join .= " ON ($this->primary_table.$this->primary_id_column = $alias.object_id)";
 			}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 77d06d59fc..a48c143b5a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-alpha-37183';
+$wp_version = '4.6-alpha-37184';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.