diff --git a/tox.ini b/tox.ini
index 9c5d18cbb..0429d0b95 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,6 +13,7 @@ setenv = VIRTUAL_ENV={envdir}
          NOSE_OPENSTACK_YELLOW=0.025
          NOSE_OPENSTACK_SHOW_ELAPSED=1
          DJANGO_SETTINGS_MODULE=muranodashboard.settings
+passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
        http://tarballs.openstack.org/horizon/horizon-master.tar.gz