diff --git a/tox.ini b/tox.ini
index d395d74c61..a0bc13d645 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,7 +32,7 @@ setenv = VIRTUAL_ENV={envdir}
          NOSE_COVER_HTML_DIR={toxinidir}/cover
          PYTHON=coverage run --source kolla_ansible --parallel-mode
 commands =
-    stestr run '{posargs}'
+    stestr run {posargs}
     coverage combine
     coverage html -d cover
     coverage xml -o cover/coverage.xml