diff --git a/init.py b/init.py
index 55df399..d2587d9 100644
--- a/init.py
+++ b/init.py
@@ -125,7 +125,7 @@ class AlarmClock:
         if self.configMode == "normal":
             # Normal mode: toggle relay
             self.setRelayState(not self.relayGpio.read())
-            setShellyPlugState(shelly_deviceId, self.relayGpio.read() == 1)
+            setShellyPlugState(shelly_deviceId, self.relayGpio.read() == 0)
         elif self.configMode == "set_hour":
             # Increment hour
             self.alarmHour = (self.alarmHour + 1) % 24