diff --git a/man-pages-posix-2013-a-pthread_once.patch b/man-pages-posix-2013-a-pthread_once.patch
new file mode 100644
index 0000000..91e9a1b
--- /dev/null
+++ b/man-pages-posix-2013-a-pthread_once.patch
@@ -0,0 +1,35 @@
+From 0409c3370ddd08cec10586f6f52fe1fbe3c717ef Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Nikola=20Forr=C3=B3?= <nforro@redhat.com>
+Date: Tue, 24 Jan 2017 16:35:02 +0100
+Subject: [PATCH] pthread_once.3p: fix return type of initialize_random()
+ function
+
+---
+ man-pages-posix-2013-a/man3p/pthread_once.3p | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/man-pages-posix-2013-a/man3p/pthread_once.3p b/man-pages-posix-2013-a/man3p/pthread_once.3p
+index 316b1e9..db83d63 100644
+--- a/man-pages-posix-2013-a/man3p/pthread_once.3p
++++ b/man-pages-posix-2013-a/man3p/pthread_once.3p
+@@ -86,7 +86,7 @@ on entry to a routine, as follows:
+ .nf
+ \fB
+ static int random_is_initialized = 0;
+-extern int initialize_random();
++extern void initialize_random();
+ .P
+ int random_function()
+ {
+@@ -125,7 +125,7 @@ becomes:
+ \fB
+ #include <pthread.h>
+ static pthread_once_t random_is_initialized = PTHREAD_ONCE_INIT;
+-extern int initialize_random();
++extern void initialize_random();
+ .P
+ int random_function()
+ {
+-- 
+2.7.4
+
diff --git a/man-pages.spec b/man-pages.spec
index 5efa5c5..f4b26f6 100644
--- a/man-pages.spec
+++ b/man-pages.spec
@@ -7,7 +7,7 @@
 Summary: Linux kernel and C library user-space interface documentation
 Name: man-pages
 Version: 4.09
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: GPL+ and GPLv2+ and BSD and MIT and Copyright only and IEEE
 Group: Documentation
 URL: http://www.kernel.org/doc/man-pages/
@@ -26,7 +26,8 @@ BuildArch: noarch
 ## Patches ##
 
 # POSIX man pages
-# Currently none
+# resolves: #1415757
+Patch0: man-pages-posix-2013-a-pthread_once.patch
 
 # Regular man pages
 # resolves: #650985
@@ -39,6 +40,7 @@ A large collection of manual pages from the Linux Documentation Project (LDP).
 %prep
 %setup -q -a 1 -a 2
 
+%patch0 -p1
 %patch21 -p1
 
 # rename posix README so we don't have conflict
@@ -76,6 +78,10 @@ popd
 %{_mandir}/man*/*
 
 %changelog
+* Tue Jan 24 2017 Nikola Forró <nforro@redhat.com> - 4.09-2
+- pthread_once.3p: fix return type of initialize_random() function
+  resolves #1415757
+
 * Tue Dec 13 2016 Nikola Forró <nforro@redhat.com> - 4.09-1
 - update to 4.09
   resolves #1403813