--- a/tuikit/core/coords.py	Fri Mar 28 14:58:20 2014 +0100
+++ b/tuikit/core/coords.py	Fri Mar 28 19:58:59 2014 +0100
@@ -6,9 +6,10 @@
 
     """
 
-    def __init__(self, x=0, y=0):
-        self.x = x
-        self.y = y
+    def __init__(self, *args, **kwargs):
+        self.x = 0
+        self.y = 0
+        self.update(*args, **kwargs)
 
     def __getitem__(self, key):
         return (self.x, self.y)[key]