diff --git a/tox.ini b/tox.ini
index 7979d42d..6f19ab93 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,7 +19,7 @@ deps =
 commands =
     find . -type f -name "*.py[c|o]" -delete
     find . -type d -name "__pycache__" -delete
-    stestr run --slowest --concurrency 1 {posargs:tests.unit}
+    stestr run --slowest --concurrency 1 {posargs}
 
 allowlist_externals =
   bash