diff --git a/lib/private/DB/Connection.php b/lib/private/DB/Connection.php
index ccbd4633155..ebde26d396b 100644
--- a/lib/private/DB/Connection.php
+++ b/lib/private/DB/Connection.php
@@ -702,7 +702,7 @@ class Connection extends PrimaryReadReplicaConnection {
 		}
 
 		try {
-			$this->_conn->query($this->getDriver()->getDatabasePlatform()->getDummySelectSQL());
+			$this->_conn->query($this->getDatabasePlatform()->getDummySelectSQL());
 			$this->lastConnectionCheck[$this->getConnectionName()] = time();
 		} catch (ConnectionLost|\Exception $e) {
 			$this->logger->warning('Exception during connectivity check, closing and reconnecting', ['exception' => $e]);