diff --git a/siteupdate/python-teresco/siteupdate.py b/siteupdate/python-teresco/siteupdate.py
index 1d21e8e2..ca5348d3 100755
--- a/siteupdate/python-teresco/siteupdate.py
+++ b/siteupdate/python-teresco/siteupdate.py
@@ -1157,7 +1157,7 @@ def __str__(self):
 
     @staticmethod
     def visible_hidden_coloc(waypoint_list):
-        for w in range(len(waypoint_list)):
+        for w in range(1,len(waypoint_list)):
             if waypoint_list[w].is_hidden != waypoint_list[0].is_hidden:
                 return True
         return False