diff --git a/phpBB/includes/db/firebird.php b/phpBB/includes/db/firebird.php
index 9ee3fcc171..21e8052a9a 100644
--- a/phpBB/includes/db/firebird.php
+++ b/phpBB/includes/db/firebird.php
@@ -330,7 +330,7 @@ class dbal_firebird extends dbal
 	{
 		return array(
 			'message'	=> @ibase_errmsg(),
-			'code'		=> ''
+			'code'		=> (@function_exists('ibase_errcode') ? @ibase_errcode() : '')
 		);
 	}