diff --git a/man2/umask.2 b/man2/umask.2
index 32e04f507..14e1ceb88 100644
--- a/man2/umask.2
+++ b/man2/umask.2
@@ -109,7 +109,7 @@ resulting file will be:
 This system call always succeeds and the previous value of the mask
 is returned.
 .SH CONFORMING TO
-SVr4, 4.3BSD, POSIX.1-2001.
+POSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD.
 .SH NOTES
 A child process created via
 .BR fork (2)