diff --git a/app/models/user.rb b/app/models/user.rb
index 9277e1e30..b2122efa4 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -147,7 +147,7 @@ class User
       if object.type == 'Person' && object.signature_valid?
 
         Rails.logger.info( "the person id is #{object.post_id} the friend found is #{friends.first(object.post_id)}")
-        unfriended_by friends.first(object.post_id)
+        unfriended_by friends.first(:id => object.post_id)
 
       else
         object.perform self.id