diff --git a/ext/standard/file.c b/ext/standard/file.c
index 7e89e3b8e4e..ceb83af63ff 100644
--- a/ext/standard/file.c
+++ b/ext/standard/file.c
@@ -131,6 +131,7 @@ static ZEND_RSRC_DTOR_FUNC(file_context_dtor)
 {
 	php_stream_context *context = (php_stream_context*)rsrc->ptr;
 	zval_dtor(context->options);
+	context->options = NULL;
 	php_stream_context_free(context);
 }