diff --git a/py3status/modules/do_not_disturb.py b/py3status/modules/do_not_disturb.py
index <HASH>..<HASH> 100644
--- a/py3status/modules/do_not_disturb.py
+++ b/py3status/modules/do_not_disturb.py
@@ -87,7 +87,7 @@ class Py3status:
             self.is_on = not self.is_on
             if self._is_dunst():
                 new_flag = "--signal {}".format(self.dunst_signal_on
-                        if self.is_on else self.dunst_signal_off)
+                                                if self.is_on else self.dunst_signal_off)
                 system("killall {} dunst".format(new_flag))
             else:
                 if self.is_on:
Revise indentation to make flake8 happy