diff --git a/script/local.py b/script/local.py
index 256df45..e546572 100644
--- a/script/local.py
+++ b/script/local.py
@@ -19,7 +19,7 @@ class RobotTCP(TcpDevice):
         cmd = cmd + "\n"
         ret = ""
         try:        
-            ret = write(cmd)
+            ret = self.write(cmd)
         finally:
             self.getLogger().info(cmd + " ret = " + str(ret))
         return ret