diff --git a/tox.ini b/tox.ini
index 9185ac0b84..0d3100e038 100644
--- a/tox.ini
+++ b/tox.ini
@@ -43,8 +43,8 @@ downloadcache = ~/cache/pip
 commands =
   flake8
   neutron-db-manage check_migration
-  bash -c "find neutron -type f -regex '.*\.pot?' -print0|xargs -0 -n 1 msgfmt --check-format -o /dev/null"
-whitelist_externals = bash
+  sh -c "find neutron -type f -regex '.*\.pot?' -print0|xargs -0 -n 1 msgfmt --check-format -o /dev/null"
+whitelist_externals = sh
 
 [testenv:i18n]
 commands = python ./tools/check_i18n.py ./neutron ./tools/i18n_cfg.py