diff --git a/tox.ini b/tox.ini
index bef6b9343..ed8f5c243 100644
--- a/tox.ini
+++ b/tox.ini
@@ -57,7 +57,8 @@ deps =
   py312-lintreadme: readme_renderer[rst]
 
 setenv =
-  py3{8,9,10,11,12}-unit: LC_ALL = C.UTF-8
+  LC_ALL = C.UTF-8
+  HOME = {envtmpdir}
 
 commands_pre =
   py3{8,9,10,11,12}-unit: python -m pip install -U pip setuptools wheel