diff --git a/newsfragments/2941.bugfix b/newsfragments/2941.bugfix
new file mode 100644
index 000000000..049807705
--- /dev/null
+++ b/newsfragments/2941.bugfix
@@ -0,0 +1 @@
+"tox -e codechecks" puts back the local file it mv's while doing code-checks
\ No newline at end of file
diff --git a/tox.ini b/tox.ini
index afc237069..c0feeaaa5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -98,6 +98,9 @@ commands =
 	 # file.  See pyproject.toml for legal <change type> values.
 	 python -m towncrier.check
 
+         # put it back
+	 mv pyproject.toml towncrier.pyproject.toml
+
 [testenv:draftnews]
 passenv = TAHOE_LAFS_* PIP_* SUBUNITREPORTER_* USERPROFILE HOMEDRIVE HOMEPATH
 # see comment in [testenv] about "certifi"
@@ -123,7 +126,6 @@ commands =
          # put it back
          mv pyproject.toml towncrier.pyproject.toml
 
-
 [testenv:deprecations]
 setenv =
          PYTHONWARNINGS=default::DeprecationWarning