diff --git a/attributs.py b/attributs.py
index 36b0518..24a5c9f 100644
--- a/attributs.py
+++ b/attributs.py
@@ -1170,6 +1170,7 @@ class positionBorne(Attr):
     singlevalue = True
     optional = True
     ldap_name = "positionBorne"
+    default = "0 0"
 
 @crans_attribute
 class nvram(Attr):