diff --git a/script/RobotTCP.py b/script/RobotTCP.py
index 55451e9..2260cb2 100644
--- a/script/RobotTCP.py
+++ b/script/RobotTCP.py
@@ -405,7 +405,7 @@ class RobotTCP(TcpDevice, Stoppable):
             if time.time() - start > 5000:
                 raise Exception("Cannot start task " + task)
             time.sleep(0.1)        
-        self.waitCacheChange(5000)               
+        self.update()               
         self.current_task = program
         self._update_state()