diff --git a/tox.ini b/tox.ini
index 02a902bc7d..c817c32b85 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,6 +28,7 @@ commands =
 [testenv:integration]
 setenv = VIRTUAL_ENV={envdir}
          TESTR_START_DIR=heat_integrationtests
+passenv = OS_*
 usedevelop = False
 deps = -r{toxinidir}/heat_integrationtests/requirements.txt
 commands =