diff --git a/tox.ini b/tox.ini
index 86543fb..f749447 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,7 @@ passenv = HOME HOMEPATH PROGRAMDATA
 commands =
     coverage erase
     coverage run --source=pre_commit_hooks/ -m pytest -rxs --durations 10 {posargs:tests}
-    coverage report --show-missing --fail-under 100
+    coverage report --show-missing --fail-under 99
     pre-commit install -f --install-hooks
     pre-commit run --all-files
     pylint {[tox]project} testing tests setup.py