diff --git a/lib/private/db/mdb2schemamanager.php b/lib/private/db/mdb2schemamanager.php
index d90c8525a7..358360d0b4 100644
--- a/lib/private/db/mdb2schemamanager.php
+++ b/lib/private/db/mdb2schemamanager.php
@@ -58,19 +58,19 @@ class MDB2SchemaManager {
 	public function getMigrator() {
 		$random = \OC::$server->getSecureRandom()->getMediumStrengthGenerator();
 		$platform = $this->conn->getDatabasePlatform();
+		$config = \OC::$server->getConfig();
 		if ($platform instanceof SqlitePlatform) {
-			$config = \OC::$server->getConfig();
 			return new SQLiteMigrator($this->conn, $random, $config);
 		} else if ($platform instanceof OraclePlatform) {
-			return new OracleMigrator($this->conn, $random);
+			return new OracleMigrator($this->conn, $random, $config);
 		} else if ($platform instanceof MySqlPlatform) {
-			return new MySQLMigrator($this->conn, $random);
+			return new MySQLMigrator($this->conn, $random, $config);
 		} else if ($platform instanceof SQLServerPlatform) {
-			return new MsSqlMigrator($this->conn, $random);
+			return new MsSqlMigrator($this->conn, $random, $config);
 		} else if ($platform instanceof PostgreSqlPlatform) {
-			return new Migrator($this->conn, $random);
+			return new Migrator($this->conn, $random, $config);
 		} else {
-			return new NoCheckMigrator($this->conn, $random);
+			return new NoCheckMigrator($this->conn, $random, $config);
 		}
 	}
 
diff --git a/lib/private/db/migrator.php b/lib/private/db/migrator.php
index 903e9b8a71..3a178f387e 100644
--- a/lib/private/db/migrator.php
+++ b/lib/private/db/migrator.php
@@ -14,6 +14,7 @@ use \Doctrine\DBAL\Schema\Table;
 use \Doctrine\DBAL\Schema\Schema;
 use \Doctrine\DBAL\Schema\SchemaConfig;
 use \Doctrine\DBAL\Schema\Comparator;
+use OCP\IConfig;
 use OCP\Security\ISecureRandom;
 
 class Migrator {
@@ -28,13 +29,18 @@ class Migrator {
 	 */
 	private $random;
 
+	/** @var IConfig */
+	protected $config;
+
 	/**
 	 * @param \Doctrine\DBAL\Connection $connection
 	 * @param ISecureRandom $random
+	 * @param IConfig $config
 	 */
-	public function __construct(\Doctrine\DBAL\Connection $connection, ISecureRandom $random) {
+	public function __construct(\Doctrine\DBAL\Connection $connection, ISecureRandom $random, IConfig $config) {
 		$this->connection = $connection;
 		$this->random = $random;
+		$this->config = $config;
 	}
 
 	/**
diff --git a/lib/private/db/sqlitemigrator.php b/lib/private/db/sqlitemigrator.php
index 848e498657..42b6563464 100644
--- a/lib/private/db/sqlitemigrator.php
+++ b/lib/private/db/sqlitemigrator.php
@@ -10,25 +10,9 @@ namespace OC\DB;
 
 use Doctrine\DBAL\DBALException;
 use Doctrine\DBAL\Schema\Schema;
-use OCP\Security\ISecureRandom;
 
 class SQLiteMigrator extends Migrator {
 
-	/**
-	 * @var \OCP\IConfig
-	 */
-	private $config;
-
-	/**
-	 * @param \Doctrine\DBAL\Connection $connection
-	 * @param ISecureRandom $random
-	 * @param \OCP\IConfig $config
-	 */
-	public function __construct(\Doctrine\DBAL\Connection $connection, ISecureRandom $random, \OCP\IConfig $config) {
-		parent::__construct($connection, $random);
-		$this->config = $config;
-	}
-
 	/**
 	 * @param \Doctrine\DBAL\Schema\Schema $targetSchema
 	 * @throws \OC\DB\MigrationException