X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/09c5740b5bb94c75a5c8c83cdbb80ae7b5ccbdf4..b946779b845b298639c99e92407e8200d66814c1:/app/models/user_role.rb

diff --git a/app/models/user_role.rb b/app/models/user_role.rb
index efa540fec..fb783281e 100644
--- a/app/models/user_role.rb
+++ b/app/models/user_role.rb
@@ -1,8 +1,8 @@
 class UserRole < ActiveRecord::Base
+  belongs_to :user
 
   ALL_ROLES = ['administrator', 'moderator']
 
   validates_inclusion_of :role, :in => ALL_ROLES
-  belongs_to :user
-
+  validates_uniqueness_of :role, :scope => :user_id
 end