diff --git a/boot.php b/boot.php
index 7a54f2d5a..733bbfd6a 100644
--- a/boot.php
+++ b/boot.php
@@ -41,7 +41,7 @@ define('FRIENDICA_PLATFORM',     'Friendica');
 define('FRIENDICA_CODENAME',     'Asparagus');
 define('FRIENDICA_VERSION',      '3.6-dev');
 define('DFRN_PROTOCOL_VERSION',  '2.23');
-define('DB_UPDATE_VERSION',      1246);
+define('DB_UPDATE_VERSION',      1247);
 define('NEW_UPDATE_ROUTINE_VERSION', 1170);
 
 /**
diff --git a/src/Core/Addon.php b/src/Core/Addon.php
index af3d843a9..b1f401d28 100644
--- a/src/Core/Addon.php
+++ b/src/Core/Addon.php
@@ -4,10 +4,9 @@
  */
 namespace Friendica\Core;
 
-use Friendica\App;
 use Friendica\Core\Config;
-use Friendica\Core\System;
 use Friendica\Database\DBM;
+
 use dba;
 
 require_once 'include/dba.php';
@@ -83,7 +82,7 @@ class Addon
 		if (strlen($addons)) {
 			$r = dba::select('addon', [], ['installed' => 1]);
 			if (DBM::is_result($r)) {
-				$installed = $r;
+				$installed = dba::inArray($r);
 			} else {
 				$installed = [];
 			}
diff --git a/update.php b/update.php
index 273e75de7..bc14b3a29 100644
--- a/update.php
+++ b/update.php
@@ -7,6 +7,8 @@ use Friendica\Core\Worker;
 use Friendica\Database\DBM;
 use Friendica\Model\User;
 
+require_once 'include/dba.php';
+
 /**
  *
  * update.php - automatic system update
@@ -173,3 +175,12 @@ function update_1245() {
 
 	return UPDATE_SUCCESS;
 }
+
+function update_1247() {
+	// Removing hooks with the old name
+	dba::e("DELETE FROM `hook`
+WHERE `hook` LIKE 'plugin_%'");
+
+	// Make sure we install the new renamed ones
+	Addon::reload();
+}