1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 9a82878b0..822ffdab4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,7 +5,7 @@ envlist = py{27,3},pep8,functional{,-py3},coverage
 
 [testenv]
 usedevelop=True
-passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
+passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY BRANCH
 deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/test-requirements.txt