diff --git a/core/lib/Drupal/Core/Database/Connection.php b/core/lib/Drupal/Core/Database/Connection.php
index 5b2a8dff0e5fc37c6c4db634ffc6beef29e17d40..39a856e966eb15d15839dbf220b094ad6a924674 100644
--- a/core/lib/Drupal/Core/Database/Connection.php
+++ b/core/lib/Drupal/Core/Database/Connection.php
@@ -900,6 +900,7 @@ protected function expandArguments(&$query, &$args) {
    */
   public function getDriverClass($class) {
     match($class) {
+      'Install\\Tasks',
       'ExceptionHandler',
       'Select',
       'Insert',
diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index 7cd9079266f37d6414bc8b1d6a4eb6a0497355e0..027a6ab90360258b7b5489fde267098ad1841ea6 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -555,7 +555,7 @@ function system_requirements($phase) {
 
   if ($phase === 'runtime' || $phase === 'update') {
     // Database information.
-    $class = Database::getConnection()->getDriverClass('Install\\Tasks');
+    $class = Database::getConnection()->getConnectionOptions()['namespace'] . '\\Install\\Tasks';
     /** @var \Drupal\Core\Database\Install\Tasks $tasks */
     $tasks = new $class();
     $requirements['database_system'] = [
diff --git a/core/tests/Drupal/Tests/Core/Database/ConnectionTest.php b/core/tests/Drupal/Tests/Core/Database/ConnectionTest.php
index e48d3aa5f6129e2adb1eb23b0bfb4a86d2b8029d..28670b717533338d4b36e844463d805baff7df56 100644
--- a/core/tests/Drupal/Tests/Core/Database/ConnectionTest.php
+++ b/core/tests/Drupal/Tests/Core/Database/ConnectionTest.php
@@ -326,6 +326,7 @@ public function testGetDriverClass($expected, $namespace, $class) {
     $mock_pdo = $this->createMock('Drupal\Tests\Core\Database\Stub\StubPDO');
     $connection = new StubConnection($mock_pdo, ['namespace' => $namespace]);
     match($class) {
+      'Install\\Tasks',
       'ExceptionHandler',
       'Select',
       'Insert',