diff --git a/plugins/autowarmth.koplugin/main.lua b/plugins/autowarmth.koplugin/main.lua
index 0ff7f4caa..e3ca76363 100644
--- a/plugins/autowarmth.koplugin/main.lua
+++ b/plugins/autowarmth.koplugin/main.lua
@@ -225,7 +225,7 @@ function AutoWarmth:_onToggleNightMode()
             {{
                 text = _("Hide this warning permanently"),
                 provider = function()
-                self.hide_nightmode_warning = true
+                    self.hide_nightmode_warning = true
                     G_reader_settings:saveSetting("hide_nightmode_warning", true)
                 end
             }},