diff --git a/back/config/application.rb b/back/config/application.rb
index f3fb9b9f1ff3..a79ebe90a66d 100644
--- a/back/config/application.rb
+++ b/back/config/application.rb
@@ -32,6 +32,9 @@ class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
     config.load_defaults 6.1
 
+    # TODO: Delete the following settings once we move to config.load_defaults 7.0
+    config.active_support.disable_to_s_conversion = true
+
     # Configuration for the application, engines, and railties goes here.
     #
     # These settings can be overridden in specific environments using the files