diff --git a/tox.ini b/tox.ini
index f91231e..86e8dd7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,7 +14,7 @@ passenv = HOME WINDIR CC CI
 
 # Run the tests in a temporary directory to make sure that we don't import
 # package from the source tree
-changedir = {homedir}
+changedir = .tmp/{envname}
 
 # tox environments are constructued with so-called 'factors' (or terms)
 # separated by hyphens, e.g. test-devdeps-cov. Lines below starting with factor: