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-rw-r--r--actionpack/lib/action_controller/railtie.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/railtie.rb b/actionpack/lib/action_controller/railtie.rb
index cc02c9a53a..769be39004 100644
--- a/actionpack/lib/action_controller/railtie.rb
+++ b/actionpack/lib/action_controller/railtie.rb
@@ -24,7 +24,7 @@ module ActionController
initializer "action_controller.parameters_config" do |app|
options = app.config.action_controller
- ActiveSupport.on_load(:action_controller) do
+ ActiveSupport.on_load(:action_controller, run_once: true) do
ActionController::Parameters.permit_all_parameters = options.delete(:permit_all_parameters) { false }
if app.config.action_controller[:always_permitted_parameters]
ActionController::Parameters.always_permitted_parameters =