diff --git a/0003-bswap_-macros-are-defined-in-byteswap.h.patch b/0003-bswap_-macros-are-defined-in-byteswap.h.patch
new file mode 100644
index 0000000..f5445a9
--- /dev/null
+++ b/0003-bswap_-macros-are-defined-in-byteswap.h.patch
@@ -0,0 +1,26 @@
+From 2ac588919dd96d3d624e6ec20c67d1d91386e879 Mon Sep 17 00:00:00 2001
+From: Petr Lautrbach <plautrba@redhat.com>
+Date: Thu, 10 Aug 2017 08:23:47 +0200
+Subject: [PATCH] bswap_* macros are defined in byteswap.h
+
+Fixes ImportError on s390x:
+/usr/lib64/python3.6/site-packages/setools/policyrep/_qpol.cpython-36m-s390x-linux-gnu.so: undefined symbol: bswap_32
+---
+ libqpol/policy.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/libqpol/policy.c b/libqpol/policy.c
+index ae3acb5..e412be0 100644
+--- a/libqpol/policy.c
++++ b/libqpol/policy.c
+@@ -28,6 +28,7 @@
+ 
+ #include "qpol_internal.h"
+ #include <assert.h>
++#include <byteswap.h>
+ #include <errno.h>
+ #include <fcntl.h>
+ #include <limits.h>
+-- 
+2.13.3
+
diff --git a/setools.spec b/setools.spec
index 7bab4ad..0d68848 100644
--- a/setools.spec
+++ b/setools.spec
@@ -11,7 +11,7 @@
 
 Name:           setools
 Version:        4.1.1
-Release:        1%{?setools_pre_ver:.%{setools_pre_ver}}%{?dist}
+Release:        2%{?setools_pre_ver:.%{setools_pre_ver}}%{?dist}
 Summary:        Policy analysis tools for SELinux
 
 License:        GPLv2
@@ -21,6 +21,7 @@ Source1:        setools.pam
 Source2:        apol.desktop
 Patch1:         0001-Do-not-use-Werror-during-build.patch
 Patch2:         0002-Do-not-export-use-setools.InfoFlowAnalysis-and-setoo.patch
+Patch3:         0003-bswap_-macros-are-defined-in-byteswap.h.patch
 
 Obsoletes:      setools < 4.0.0, setools-devel < 4.0.0
 BuildRequires:  flex,  bison
@@ -177,6 +178,9 @@ popd
 %{_mandir}/man1/apol*
 
 %changelog
+* Thu Aug 10 2017 Petr Lautrbach <plautrba@redhat.com> - 4.1.1-2
+- bswap_* macros are defined in byteswap.h
+
 * Mon Aug 07 2017 Petr Lautrbach <plautrba@redhat.com> - 4.1.1-1
 - New upstream release