diff -r 839740b061ad -r 70f21691b0e1 app/soc/views/models/user.py
--- a/app/soc/views/models/user.py	Sat Nov 15 16:17:11 2008 +0000
+++ b/app/soc/views/models/user.py	Sat Nov 15 21:46:23 2008 +0000
@@ -68,8 +68,15 @@
     properties = {'link_name': link_name}
     user = soc.logic.models.user.logic.getForFields(properties, unique=True)
 
-    if user and user.link_name == link_name:
-      raise forms.ValidationError("This link name is already in use.")
+    link_name_user = soc.logic.models.user.logic.getForFields(properties, unique=True)
+
+    key_name = self.data.get('key_name')
+    if key_name:
+      key_name_user = user_logic.logic.getFromKeyName(key_name)
+      
+      if link_name_user and key_name_user and \
+          link_name_user.account != key_name_user.account:
+        raise forms.ValidationError("This link name is already in use.")
 
     return link_name