Fix access for database config for ruby and not jruby

1 files changed, 1 insertions, 1 deletions

diff --git a/app/models/referential.rb b/app/models/referential.rb
index 4c68e9f29..c759334b8 100644
--- a/app/models/referential.rb
+++ b/app/models/referential.rb
@@ -33,7 +33,7 @@ class Referential < ActiveRecord::Base
       if slug == 'public'
         errors.add(:slug,I18n.t("referentials.errors.public_excluded"))
       end
-      if slug == connection.config[:username]
+      if slug == self.class.connection_config[:username]
         errors.add(:slug,I18n.t("referentials.errors.user_excluded", :user => slug))
       end
     end