diff --git a/src/Service/DatabaseTransferService.php b/src/Service/DatabaseTransferService.php
index 0a7bbc1..4ecea8d 100644
--- a/src/Service/DatabaseTransferService.php
+++ b/src/Service/DatabaseTransferService.php
@@ -26,12 +26,12 @@ class DatabaseTransferService
     ) {
         // connect the source database
         switch (explode(":", $_ENV['DATABASE_URL'])[0]) {
-            case 'pdo-sqlite';
+            case 'pdo-sqlite':
                 list($driverName, $dbFile) = explode(":/", $_ENV['DATABASE_URL']);
                 $this->srcDB = new PDO('sqlite:'.$dbFile);
                 break;
-            case 'pdo-mysql';
-            case 'pdo-pgsql';
+            case 'pdo-mysql':
+            case 'pdo-pgsql':
                 $dsn = $this->convertDBURLString($_ENV['DATABASE_URL']);
                 $this->srcDB = new PDO($dsn['dsn'], $dsn['username'], $dsn['password']);
         }