diff --git a/app/models/organization.rb b/app/models/organization.rb
index 0e845a86f..c35d0591d 100644
--- a/app/models/organization.rb
+++ b/app/models/organization.rb
@@ -31,7 +31,7 @@ class Organization < ActiveRecord::Base
     self.allow_teacher.to_i == 1 ? true : false
   end
 
-  def secdomain
+  def secdomain_name
     Secdomain.where("sub_type=2 and pid=?", self.id).first.try(:subname)
   end
 end
diff --git a/app/views/organizations/setting.html.erb b/app/views/organizations/setting.html.erb
index abad63656..87d6e4daa 100644
--- a/app/views/organizations/setting.html.erb
+++ b/app/views/organizations/setting.html.erb
@@ -114,7 +114,7 @@
                 <% if @organization.secdomain.nil? %>
                     <%= javascript_tag "observeSearchfield('not_org_member_search', null, '#{ escape_javascript  host_with_protocol + "/org_member/org_member_autocomplete?" + {:org=> @organization.id}.to_query }')" %>
                 <% else %>
-                    <%= javascript_tag "observeSearchfield('not_org_member_search', null, '#{ escape_javascript  secdomain_with_protocol(@organization.secdomain) + "/org_member/org_member_autocomplete?" + {:org=> @organization.id}.to_query }')" %>
+                    <%= javascript_tag "observeSearchfield('not_org_member_search', null, '#{ escape_javascript  secdomain_with_protocol(@organization.secdomain_name) + "/org_member/org_member_autocomplete?" + {:org=> @organization.id}.to_query }')" %>
                 <% end %>
 
                 <div id="principals_for_new_member">