1 files changed, 2 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 173a96b..ee4fd25 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,6 +14,8 @@ deps = flufl.testing
        dev: -e../mailman
        dev: -e../PGPy
 setenv = MAILMAN_EXTRA_TESTING_CFG = {toxinidir}/src/mailman_pgp/testing/mailman.cfg
+         LC_ALL=C.UTF-8
+         LANG=C.UTF-8
          cov: COVERAGE_PROCESS_START = {[coverage]rcfile}
 commands = nocov: python -m nose2 -v {posargs}
            cov: python -m coverage run {[coverage]rc} -m nose2 -v {posargs}