diff --git a/tests/databases/firebird.php b/tests/databases/firebird.php
index 2d24587..c6c342a 100644
--- a/tests/databases/firebird.php
+++ b/tests/databases/firebird.php
@@ -33,7 +33,7 @@ class FirebirdTest extends UnitTestCase {
 	function setUp()
 	{
 		$dbpath = TEST_DIR.DS.'test_dbs'.DS.'FB_TEST_DB.FDB';
-		$this->db = new Firebird($dbpath);
+		$this->db = new Firebird('localhost:'.$dbpath);
 		$this->tables = $this->db->get_tables();
 	}