diff --git a/pytest.ini b/pytest.ini
index 3840854198..37728d2d2a 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,4 +1,4 @@
 [pytest]
 norecursedirs=dist build .tox
-addopts=-v -rxs --doctest-modules --ignore cheroot/ssl/pyopenssl.py --junitxml=junit-test-results.xml --cov=cheroot --cov-report term-missing:skip-covered --cov-report xml
+addopts=-v -rxs --testmon --doctest-modules --ignore cheroot/ssl/pyopenssl.py --junitxml=junit-test-results.xml --cov=cheroot --cov-report term-missing:skip-covered --cov-report xml
 doctest_optionflags=ALLOW_UNICODE ELLIPSIS
diff --git a/tox.ini b/tox.ini
index 1e62b0ab36..1037314f2d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,7 +20,7 @@ setenv =
     WEBTEST_INTERACTIVE=false
 
 [testenv:watch]
-commands = ptw --runner=pytest -- --testmon
+commands = ptw --runner=pytest
 
 [testenv:pre-commit]
 deps = pre-commit