1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 4aaa22ae..3da0118f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,7 @@ commands =
 [testenv:linters]
 install_command = pip install {opts} {packages}
 commands =
-  black -v -l79 --check {toxinidir}
+  black -v -l79 --diff --check {toxinidir}
   flake8 {posargs}
   yamllint -s .