diff --git a/man2/getpagesize.2 b/man2/getpagesize.2
index 95510f59e..cb58ffa97 100644
--- a/man2/getpagesize.2
+++ b/man2/getpagesize.2
@@ -40,7 +40,12 @@ Feature Test Macro Requirements for glibc (see
 .RS 4
 .PD 0
 .TP 4
-Since glibc 2.12:
+Since glibc 2.19:
+.nf
+_DEFAULT_SOURCE || ! (_POSIX_C_SOURCE\ >=\ 200112L)
+.TP 4
+.fi
+From glibc 2.12 to 2.19:
 .nf
 _BSD_SOURCE || ! (_POSIX_C_SOURCE\ >=\ 200112L)
 .TP 4