1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index f73886f58..2eb017420 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ setenv = VIRTUAL_ENV={envdir}
          NOSE_COVER_BRANCHES=1
          NOSE_COVER_HTML_DIR={toxinidir}/cover
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
 commands = find {envdir} ( -type f -o -type l ) -name "*.py[co]" -delete