diff --git a/tox.ini b/tox.ini
index e41ba9b4ce4534d05b5122aa8ead6defad284367..376a966a240a0b61ca313449695fb2614d878582 100644
--- a/tox.ini
+++ b/tox.ini
@@ -38,8 +38,8 @@ commands = poetry run make -C docs/ html {posargs}
 
 [testenv:reformat]
 commands =
-    poetry run black biscuit/core/
     poetry run isort -rc biscuit/core/
+    poetry run black biscuit/core/
 
 [flake8]
 max_line_length = 100