diff --git a/tox.ini b/tox.ini
index fed685e2b..25da19705 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,7 +23,7 @@ ignore_errors = True
 deps = twine
 extras = quality
 commands =
-    isort --recursive --diff --check-only src/ tests/
+    isort --diff --check-only src/ tests/
     pylama src/ tests/
     pydocstyle src
     mypy --config-file mypy.ini src/ tests/