diff --git a/tox.ini b/tox.ini
index 0bba6aeb69..71ba1b13d9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,6 +19,7 @@ passenv =
   QISKIT_IBM_*
   TEST_TIMEOUT
   QE_USE_TESTTOOLS
+  QISKIT_TEST_CAPTURE_STREAMS
 commands = stestr run {posargs}
 
 [testenv:cover]
@@ -48,6 +49,7 @@ passenv =
   QISKIT_IBM_*
   TEST_TIMEOUT
   QE_USE_TESTTOOLS
+  QISKIT_TEST_CAPTURE_STREAMS
 commands = stestr run {posargs}