diff --git a/lib/redactor-rails.rb b/lib/redactor-rails.rb
index 9f7c5931..b6fc232d 100644
--- a/lib/redactor-rails.rb
+++ b/lib/redactor-rails.rb
@@ -38,4 +38,8 @@ def self.devise_user
   def self.devise_user_key
     "#{self.devise_user.to_s}_id".to_sym
   end
+
+  def self.devise_user_class_name
+    "User"
+  end
 end
diff --git a/lib/redactor-rails/orm/active_record.rb b/lib/redactor-rails/orm/active_record.rb
index 3ab7ef08..0cce209f 100644
--- a/lib/redactor-rails/orm/active_record.rb
+++ b/lib/redactor-rails/orm/active_record.rb
@@ -15,7 +15,7 @@ def self.extended(base)
               self.table_name = "redactor_assets"
 
               belongs_to :assetable, :polymorphic => true
-              belongs_to RedactorRails.devise_user, :foreign_key => RedactorRails.devise_user_key
+              belongs_to RedactorRails.devise_user, :foreign_key => RedactorRails.devise_user_key, :class_name => RedactorRails.devise_user_class_name
 
               if defined?(ActiveModel::ForbiddenAttributesProtection) && base.ancestors.include?(ActiveModel::ForbiddenAttributesProtection)
                 # Ok