app/controllers/authentications_controller.rb in gds-sso-16.0.0 vs app/controllers/authentications_controller.rb in gds-sso-16.0.1

@@ -10,8 +10,8 @@
 
   def failure; end
 
   def sign_out
     logout
-    redirect_to GDS::SSO::Config.oauth_root_url + "/users/sign_out"
+    redirect_to "#{GDS::SSO::Config.oauth_root_url}/users/sign_out"
   end
 end