diff --git a/script/RobotTCP.py b/script/RobotTCP.py
index 642dd6b..2ae54e0 100644
--- a/script/RobotTCP.py
+++ b/script/RobotTCP.py
@@ -245,8 +245,8 @@ class RobotTCP(TcpDevice, Stoppable):
     def distance_p(self, pnt1, pnt2):    
         return self.eval_float("distance(" + pnt1 + ", " + pnt2 + ")")
 
-    def compose(self, pnt, frame):    
-        return self.eval_pnt("compose(" + pnt + ", " + frame + ")")
+    def compose(self, pnt, frame, trsf):    
+        return self.eval_pnt("compose(" + pnt + ", " + frame + ", " + trsf + ")")
 
     def here(self, tool, frame):
         return self.eval_pnt("here(" + tool + ", " + frame + ")")