diff --git a/config/pyledriver.yaml.default b/config/pyledriver.yaml.default
index da0e381..4cb2d35 100644
--- a/config/pyledriver.yaml.default
+++ b/config/pyledriver.yaml.default
@@ -14,3 +14,4 @@ secretTable:
   INSTANT_ARM: rudess
   LOCK: myung
   INSTANT_LOCK: portnoy
+keyPasswd: 123456
diff --git a/listeners.py b/listeners.py
index dcff962..6e7839f 100644
--- a/listeners.py
+++ b/listeners.py
@@ -43,10 +43,14 @@ class KeypadListener:
 		wrongPassSound = soundLib.soundEffects['wrongPass']
 		backspaceSound = soundLib.soundEffects['backspace']
 		
+		if not isinstance(passwd, int):
+			logger.error('KeyPasswd must be int. Check configuration')
+			raise SystemExit
+		
 		def checkPasswd(action):
 			if self._buf == '':
 				ctrlKeySound.play()
-			elif self._buf == passwd:
+			elif self._buf == str(passwd):
 				self.resetBuffer()
 				action()
 			else:
diff --git a/stateMachine.py b/stateMachine.py
index 31f6d06..ad11d25 100644
--- a/stateMachine.py
+++ b/stateMachine.py
@@ -179,7 +179,7 @@ class StateMachine:
 	
 		self._addManaged(PipeListener(callback=secretCallback, name='secret'))
 
-		self._addManaged(KeypadListener(stateMachine=self, passwd='5918462'))
+		self._addManaged(KeypadListener(stateMachine=self, passwd=configFile['keyPasswd']))
 		
 		def startTimer(t, sound):
 			self._timer = _CountdownTimer(t, self.TIMOUT, sound)