diff --git a/config/application.rb b/config/application.rb
index 4598e3212..62cc0206e 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -77,7 +77,8 @@ module TPS
     end
 
     config.middleware.use Rack::Attack
-    config.middleware.use Flipper::Middleware::Memoizer, preload_all: true
+    config.middleware.use Flipper::Middleware::Memoizer,
+      preload: [:instructeur_bypass_email_login_token]
 
     config.ds_env = ENV.fetch('DS_ENV', Rails.env)