diff --git a/env.ps1 b/env.ps1
index 836f13c..2434519 100644
--- a/env.ps1
+++ b/env.ps1
@@ -44,7 +44,7 @@
 Function Global:dotest_ci { pytest -q -n auto --hypothesis-profile=ci }
 Function Global:dotest_long { pytest -q -n auto --hypothesis-profile=long }
 Function Global:docheck { dotidy; dolint; dotest }
-Function Global:_envps1_domut { mutmut run --paths-to-mutate "src/parse2,src/i18n.py" $args }
+Function Global:_envps1_domut { mutmut run --paths-to-mutate "src/newlang/parse2,src/newlang/i18n.py" $args }
 Function Global:domut { _envps1_domut }
 Function Global:domut_ci { _envps1_domut --no-progress || mutmut results }
 Function Global:dobuild { python -m build }
diff --git a/env.sh b/env.sh
index c622292..e25f574 100644
--- a/env.sh
+++ b/env.sh
@@ -35,7 +35,7 @@
 dotest_ci() { pytest -q -n auto --hypothesis-profile=ci; }
 dotest_long() { pytest -q -n auto --hypothesis-profile=long; }
 docheck() { dotidy && dolint && dotest; }
-_envsh_domut() { mutmut run --paths-to-mutate "src/parse2,src/i18n.py" $@; }
+_envsh_domut() { mutmut run --paths-to-mutate "src/newlang/parse2,src/newlang/i18n.py" $@; }
 domut() { _envsh_domut; }
 domut_ci() { _envsh_domut --no-progress || (mutmut results; exit 1); }
 dobuild() { python -m build; }