diff --git a/tox.ini b/tox.ini
index c507490884ae935812df9a13aafec9e2eaa03861..408e803ce36ad6d9a14ef611d0ba4a4f06cbfc8f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,11 +25,11 @@ setenv =
 [testenv:lint]
 commands_pre =
     poetry install --only=dev
-    yarnpkg
+    yarnpkg --cwd=.dev-js
 commands =
     poetry run ruff check {posargs} aleksis/
-    yarnpkg run prettier {posargs} --check .
-    yarnpkg run eslint aleksis/**/*/frontend/**/*.{js,vue}
+    yarnpkg --cwd=.dev-js run prettier --ignore-path={toxinidir}/.prettierignore {posargs} --check ..
+    yarnpkg --cwd=.dev-js run eslint ../aleksis/**/*/frontend/**/*.{js,vue} --config={toxinidir}/.eslintrc.js
 
 [testenv:security]
 commands_pre =
@@ -52,10 +52,10 @@ commands = poetry run make -C docs/ html {posargs}
 [testenv:reformat]
 commands_pre =
     poetry install --only=dev
-    yarnpkg
+    yarnpkg --cwd=.dev-js
 commands =
     poetry run ruff format aleksis/
-    yarnpkg run prettier --write .
+    yarnpkg --cwd=.dev-js run prettier --ignore-path={toxinidir}/.prettierignore --write ..
 
 [testenv:makemessages]
 commands_pre =