diff --git a/tox.ini b/tox.ini
index e650e3aec..6f303e872 100644
--- a/tox.ini
+++ b/tox.ini
@@ -64,6 +64,5 @@ deps =
     black==24.2.0
 skip_install = True
 commands =
-    isort beets beetsplug test --check
-    black beets beetsplug test --check
-
+    isort beets beetsplug test --check --diff
+    black beets beetsplug test --check --diff