diff --git a/devices/tox.ini b/devices/tox.ini
index 94d33c3e392272ac7341e039791f567cf2a7b9b4..4869bad0462b461a28babab5ae50375b957b44fa 100644
--- a/devices/tox.ini
+++ b/devices/tox.ini
@@ -23,7 +23,7 @@ commands = stestr run {posargs}
 passenv = TANGO_HOST
 setenv = TESTS_DIR=./integration_test
 commands =
-    stestr run --serial
+    stestr run --serial {posargs}
 
 ; TODO(Corne): Integrate Hacking to customize pep8 rules
 [testenv:pep8]