diff --git a/init.py b/init.py
index d668697..4c47153 100644
--- a/init.py
+++ b/init.py
@@ -32,7 +32,7 @@ class AlarmClock:
             self.loop()
 
     def loop(self):
-        currentButtonState = self.buttonGpio.read()
+        currentButtonState = not self.buttonGpio.read()
         if currentButtonState != self.lastKnownButtonState:
             self.lastKnownButtonState = currentButtonState
             if currentButtonState: