diff --git a/boot.php b/boot.php
index d5dc72ffb9..358e884947 100644
--- a/boot.php
+++ b/boot.php
@@ -42,7 +42,7 @@ define ( 'FRIENDICA_PLATFORM',     'Friendica');
 define ( 'FRIENDICA_CODENAME',     'Asparagus');
 define ( 'FRIENDICA_VERSION',      '3.5.3-dev' );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
-define ( 'DB_UPDATE_VERSION',      1233      );
+define ( 'DB_UPDATE_VERSION',      1234      );
 
 /**
  * @brief Constant with a HTML line break.
diff --git a/database.sql b/database.sql
index 604e7c7a88..197a542321 100644
--- a/database.sql
+++ b/database.sql
@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 3.5.3-dev (Asparagus)
--- DB_UPDATE_VERSION 1233
+-- DB_UPDATE_VERSION 1234
 -- ------------------------------------------
 
 
@@ -1027,7 +1027,8 @@ CREATE TABLE IF NOT EXISTS `thread` (
 	 INDEX `authorid` (`author-id`),
 	 INDEX `uid_created` (`uid`,`created`),
 	 INDEX `uid_commented` (`uid`,`commented`),
-	 INDEX `uid_wall_created` (`uid`,`wall`,`created`)
+	 INDEX `uid_wall_created` (`uid`,`wall`,`created`),
+	 INDEX `private_wall_received` (`private`,`wall`,`received`)
 ) DEFAULT COLLATE utf8mb4_general_ci;
 
 --
diff --git a/update.php b/update.php
index 2b4ff76b16..f6f79dac1e 100644
--- a/update.php
+++ b/update.php
@@ -1,6 +1,6 @@
 <?php
 
-define('UPDATE_VERSION' , 1233);
+define('UPDATE_VERSION' , 1234);
 
 /**
  *