diff --git a/NEWS b/NEWS
index 76a4e6692d1..30db43d9c9f 100644
--- a/NEWS
+++ b/NEWS
@@ -39,6 +39,7 @@ PHP                                                                        NEWS
 - Fixed PECL bug #11216 (crash in ZipArchive::addEmptyDir when a directory 
   already exists). (Pierre)
 
+- Fixed bug #41865 (fputcsv(): 2nd parameter is not optional). (Jani)
 - Fixed bug #41813 (segmentation fault when using string offset as an object).
   (judas dot iscariote at gmail dot com, Tony)
 - Fixed bug #41795 (checkdnsrr does not support DNS_TXT type). 
diff --git a/ext/standard/file.c b/ext/standard/file.c
index e6dd5d71a43..a153d1cf878 100644
--- a/ext/standard/file.c
+++ b/ext/standard/file.c
@@ -1914,7 +1914,7 @@ PHP_FUNCTION(fputcsv)
 	int count, i = 0;
 	smart_str csvline = {0};
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|ass",
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra|ss",
 			&fp, &fields, &delimiter_str, &delimiter_str_len,
 			&enclosure_str, &enclosure_str_len) == FAILURE) {
 		return;