diff --git a/upload/install/controller/step_3.php b/upload/install/controller/step_3.php
index cec4142abf9..446aa1c0540 100644
--- a/upload/install/controller/step_3.php
+++ b/upload/install/controller/step_3.php
@@ -271,6 +271,12 @@ private function validate() {
 			} else {
 				$mysql->close();
 			}
+		} elseif ($this->request->post['db_driver'] == 'mpdo') {
+			try {
+				new \DB\mPDO($this->request->post['db_hostname'], $this->request->post['db_username'], $this->request->post['db_password'], $this->request->post['db_database'], $this->request->post['db_port']);
+			} catch(Exception $e) {
+				$this->error['warning'] = $e->getMessage();
+			}
 		}
 
 		if (!$this->request->post['username']) {
diff --git a/upload/system/library/db/mpdo.php b/upload/system/library/db/mpdo.php
index 61b0aaca79b..a64dca097bc 100644
--- a/upload/system/library/db/mpdo.php
+++ b/upload/system/library/db/mpdo.php
@@ -8,7 +8,7 @@ public function __construct($hostname, $username, $password, $database, $port =
 		try {
 			$this->pdo = new \PDO("mysql:host=" . $hostname . ";port=" . $port . ";dbname=" . $database, $username, $password, array(\PDO::ATTR_PERSISTENT => true));
 		} catch(\PDOException $e) {
-			trigger_error('Error: Could not make a database link ( ' . $e->getMessage() . '). Error Code : ' . $e->getCode() . ' <br />');
+			throw new \Exception('Unknown database \'' . $database . '\'');
 			exit();
 		}