diff --git a/core/oql/oqlinterpreter.class.inc.php b/core/oql/oqlinterpreter.class.inc.php
index ac72a12d9..ef55d0309 100644
--- a/core/oql/oqlinterpreter.class.inc.php
+++ b/core/oql/oqlinterpreter.class.inc.php
@@ -1,4 +1,4 @@
-<?
+<?php
 
 class OqlNormalizeException extends OQLException
 {
diff --git a/core/oql/oqlquery.class.inc.php b/core/oql/oqlquery.class.inc.php
index f38cb2e02..bec211037 100644
--- a/core/oql/oqlquery.class.inc.php
+++ b/core/oql/oqlquery.class.inc.php
@@ -1,4 +1,4 @@
-<?
+<?php
 
 // Position a string within an OQL query
 // This is a must if we want to be able to pinpoint an error at any stage of the query interpretation