diff --git a/resources/functionMap.php b/resources/functionMap.php
index 2b31468b37..e49220c809 100644
--- a/resources/functionMap.php
+++ b/resources/functionMap.php
@@ -8693,7 +8693,7 @@
 'posix_getpgrp' => ['int'],
 'posix_getpid' => ['int'],
 'posix_getppid' => ['int'],
-'posix_getpwnam' => ['array|false', 'groupname'=>'string'],
+'posix_getpwnam' => ['array{name: string, passwd: string, uid: int, gid: int, gecos: string, dir: string, shell: string}|false', 'groupname'=>'string'],
 'posix_getpwuid' => ['array{name: string, passwd: string, uid: int, gid: int, gecos: string, dir: string, shell: string}|false', 'uid'=>'int'],
 'posix_getrlimit' => ['array|false'],
 'posix_getsid' => ['int|false', 'pid'=>'int'],