diff --git a/src/core.py b/src/core.py
--- a/src/core.py
+++ b/src/core.py
@@ -14,8 +14,6 @@ class Core:
 		self.grid=None
 		self.go=Go()
 		self.detector=ImageAnalyzer()
-		self.tresW=60.0
-		self.tresB=30.0
 
 		self._ownMessages=MsgQueue(self._handleEvent)
 		self._guiMessages=MsgQueue()
@@ -33,8 +31,8 @@ class Core:
 		self._guiMessages.send("setGameState",(self.detector.board,))
 
 	def setTresholds(self,tresB=None,tresW=None):
-		if tresB is not None: self.tresB=tresB
-		if tresW is not None: self.tresW=tresW
+		if tresB is not None: self.detector.tresB=tresB
+		if tresW is not None: self.detector.tresW=tresW
 		if self.detector.analyze(self._frame):
 			self._guiMessages.send("setGameState",(self.detector.board,))