https://bitbucket.org/izi/polib/pull-requests/24/tests-force-msgfmt-into-machines-byte/diff
https://bugs.gentoo.org/641464
diff --git a/tests/tests.py b/tests/tests.py
index 50ad0c6..239ce88 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -551,3 +551,3 @@ class TestPoFile(unittest.TestCase):
             po.save_as_mofile(tmpfile1)
-            subprocess.call([msgfmt, '--no-hash', '-o', tmpfile2, reffile])
+            subprocess.call([msgfmt, '--no-hash', '--endianness=%s' % sys.byteorder, '-o', tmpfile2, reffile])
             try: