diff --git a/plugins/autostandby.koplugin/main.lua b/plugins/autostandby.koplugin/main.lua
index c0b62d8f2..15fe3e391 100644
--- a/plugins/autostandby.koplugin/main.lua
+++ b/plugins/autostandby.koplugin/main.lua
@@ -93,7 +93,7 @@ function AutoStandby:onInputEvent()
         -- all standbys forbidden, always prevent
         self:prevent()
         return
-    elseif delay == 0 then
+    elseif self.delay == 0 then
         -- If delay is 0 now, just allow straight
         self:allow()
         return