diff --git a/resources/functionMap.php b/resources/functionMap.php
index 7df368f9fd..60353b79f8 100644
--- a/resources/functionMap.php
+++ b/resources/functionMap.php
@@ -2943,7 +2943,7 @@
 'file' => ['array<int,string>|false', 'filename'=>'string', 'flags='=>'int', 'context='=>'resource'],
 'file_exists' => ['bool', 'filename'=>'string'],
 'file_get_contents' => ['string|false', 'filename'=>'string', 'use_include_path='=>'bool', 'context='=>'?resource', 'offset='=>'int', 'maxlen='=>'int'],
-'file_put_contents' => ['int|false', 'file'=>'string', 'data'=>'mixed', 'flags='=>'int', 'context='=>'resource'],
+'file_put_contents' => ['int|false', 'file'=>'string', 'data'=>'mixed', 'flags='=>'int', 'context='=>'?resource'],
 'fileatime' => ['int|false', 'filename'=>'string'],
 'filectime' => ['int|false', 'filename'=>'string'],
 'filegroup' => ['int|false', 'filename'=>'string'],