diff --git a/tasks/tracer.py b/tasks/tracer.py
index 7a9eff8..5a6398d 100644
--- a/tasks/tracer.py
+++ b/tasks/tracer.py
@@ -12,7 +12,7 @@ import os
 
 
 class TracerTask(ATask):
-	def __init__(self, sensor: ATemperatureSensor, heater: AHeater, temp_ctrl: APid, interval, msg_handler: MsgIo, path = './logs'):
+	def __init__(self, sensor: ATemperatureSensor, heater: AHeater, temp_ctrl: APid, interval, msg_handler: MsgIo, path= './logs'):
 		ATask.__init__(self, interval)
 		if not os.path.exists(path):
 			os.makedirs(path)