diff --git a/core/Migrations/Version13000Date20170705121758.php b/core/Migrations/Version13000Date20170705121758.php
new file mode 100644
index 0000000000..6f9c2d243f
--- /dev/null
+++ b/core/Migrations/Version13000Date20170705121758.php
@@ -0,0 +1,93 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Core\Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\DBAL\Types\Type;
+use OCP\Migration\SimpleMigrationStep;
+use OCP\Migration\IOutput;
+
+class Version13000Date20170705121758 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `Schema`
+	 * @param array $options
+	 * @return null|Schema
+	 * @since 13.0.0
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var Schema $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->hasTable('personal_sections')) {
+			$table = $schema->createTable('personal_sections');
+
+			$table->addColumn('id', Type::STRING, [
+				'notnull' => false,
+				'length' => 64,
+			]);
+			$table->addColumn('class', Type::STRING, [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('priority', Type::INTEGER, [
+				'notnull' => true,
+				'length' => 6,
+				'default' => 0,
+			]);
+
+			$table->setPrimaryKey(['id'], 'personal_sections_id_index');
+			$table->addUniqueIndex(['class'], 'personal_sections_class');
+		}
+
+		if (!$schema->hasTable('personal_settings')) {
+			$table = $schema->createTable('personal_settings');
+
+			$table->addColumn('id', Type::INTEGER, [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 20,
+			]);
+			$table->addColumn('class', Type::STRING, [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('section', Type::STRING, [
+				'notnull' => false,
+				'length' => 64,
+			]);
+			$table->addColumn('priority', Type::INTEGER, [
+				'notnull' => true,
+				'length' => 6,
+				'default' => 0,
+			]);
+
+			$table->setPrimaryKey(['id'], 'personal_settings_id_index');
+			$table->addUniqueIndex(['class'], 'personal_settings_class');
+			$table->addIndex(['section'], 'personal_settings_section');
+		}
+
+		return $schema;
+	}
+}
diff --git a/lib/private/DB/MigrationService.php b/lib/private/DB/MigrationService.php
index 70f81d9c80..a4276b08c1 100644
--- a/lib/private/DB/MigrationService.php
+++ b/lib/private/DB/MigrationService.php
@@ -69,7 +69,7 @@ class MigrationService {
 
 		if ($appName === 'core') {
 			$this->migrationsPath = \OC::$SERVERROOT . '/core/Migrations';
-			$this->migrationsNamespace = 'OC\\Migrations';
+			$this->migrationsNamespace = 'OC\\Core\\Migrations';
 		} else {
 			if (null === $appLocator) {
 				$appLocator = new AppLocator();
diff --git a/lib/private/Updater.php b/lib/private/Updater.php
index 464344d220..6c23a43c35 100644
--- a/lib/private/Updater.php
+++ b/lib/private/Updater.php
@@ -302,10 +302,8 @@ class Updater extends BasicEmitter {
 		$this->emit('\OC\Updater', 'dbUpgradeBefore');
 
 		// execute core migrations
-		if (is_dir(\OC::$SERVERROOT . '/core/Migrations')) {
-			$ms = new MigrationService('core', \OC::$server->getDatabaseConnection());
-			$ms->migrate();
-		}
+		$ms = new MigrationService('core', \OC::$server->getDatabaseConnection());
+		$ms->migrate();
 
 		$this->emit('\OC\Updater', 'dbUpgrade');
 	}