diff --git a/app/controllers/devise/displayqr_controller.rb b/app/controllers/devise/displayqr_controller.rb
index 935d176..aaec926 100644
--- a/app/controllers/devise/displayqr_controller.rb
+++ b/app/controllers/devise/displayqr_controller.rb
@@ -33,7 +33,7 @@ def update
   def refresh
     unless resource.nil?
       resource.send(:assign_auth_secret)
-      resource.save
+      resource.save(:validate => false)
       set_flash_message :notice, :newtoken
       sign_in scope, resource, :bypass => true
       redirect_to [resource_name, :displayqr]
@@ -60,4 +60,4 @@ def resource_params
   def strong_parameters_enabled?
     defined?(ActionController::StrongParameters)
   end
-end
\ No newline at end of file
+end