diff --git a/cli/tox.ini b/cli/tox.ini
index 0a18dd7af4..565059f727 100644
--- a/cli/tox.ini
+++ b/cli/tox.ini
@@ -43,7 +43,7 @@ skip_install = true
 deps =
     black
 commands =
-    black -l 120 -N  \
+    black -l 120 \
         {[vars]code_dirs} \
         {posargs}