diff --git a/bot split/bot split.py b/bot split/bot split.py
index 93debc7..0c80876 100644
--- a/bot split/bot split.py	
+++ b/bot split/bot split.py	
@@ -27,6 +27,7 @@ from value import ValueManager
 
 def main():
     global args, exchange, positionMan, orderMan, valueMan
+    global vale_last_print_time
     
     args = parse_arguments()
     exchange = ExchangeConnection(args=args)
@@ -40,7 +41,6 @@ def main():
     #
     exchange.send_add_message(order_id=1, symbol="BOND", dir=Dir.BUY, price=990, size=1)
 
-    vale_bid_price, vale_ask_price = None, None
     vale_last_print_time = time.time()
 
     while True: