diff --git a/tox.ini b/tox.ini
index 1dfab0b..35c8dfc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -38,4 +38,4 @@ commands = {posargs:py.test --cov=graphene_django graphene_django examples}
 skip_install = true
 deps = pre-commit
 commands =
-    pre-commit run --all-files --show-diff-on-failure
+    pre-commit run {posargs:--all-files --show-diff-on-failure}