diff --git a/ext/pdo_firebird/tests/ddl.phpt b/ext/pdo_firebird/tests/ddl.phpt
index 7709bb3f078..9a3ddd1002c 100644
--- a/ext/pdo_firebird/tests/ddl.phpt
+++ b/ext/pdo_firebird/tests/ddl.phpt
@@ -8,14 +8,14 @@ PDO_Firebird: DDL/transactions
 	require("testdb.inc");
     
 	$db = new PDO("firebird:dbname=$test_base",$user,$password) or die;
-	$db->setAttribute(PDO_ATTR_ERRMODE, PDO_ERRMODE_WARNING);
+	$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
 	
 	$db->exec("CREATE TABLE ddl (id INT NOT NULL PRIMARY KEY, text BLOB SUB_TYPE 1)");
 	$db->exec("CREATE GENERATOR gen_ddl_id");
 	$db->exec("CREATE TRIGGER ddl_bi FOR ddl BEFORE INSERT AS
 		BEGIN IF (NEW.id IS NULL) THEN NEW.id=GEN_ID(gen_ddl_id,1); END");
 	
-	$db->setAttribute(PDO_ATTR_AUTOCOMMIT,0);
+	$db->setAttribute(PDO::ATTR_AUTOCOMMIT,0);
 	
 	$db->beginTransaction();
 	var_dump($db->exec("INSERT INTO ddl (text) VALUES ('bla')"));