diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90560e7f6..e28ec19f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@
 - Fix a bug: unable to subscribe with a payment schedule using PayZen
 - Fix a bug: unable to list supporting documents types for a deleted group
 - Fix a bug: notification is broken when updating payzen currency
-- Fix a bug: broken admin notifications if an order has been paid
+- Fix a bug: broken notifications
 - Fix a bug: unable to bulk update settings
 
 ## v6.0.1 2023 April 03
diff --git a/app/views/api/notifications/_notify_admin_training_auto_cancelled.json.jbuilder b/app/views/api/notifications/_notify_admin_training_auto_cancelled.json.jbuilder
index 3f8522e27..2ec008e46 100644
--- a/app/views/api/notifications/_notify_admin_training_auto_cancelled.json.jbuilder
+++ b/app/views/api/notifications/_notify_admin_training_auto_cancelled.json.jbuilder
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 json.title notification.notification_type
-json.description "#{t('.auto_cancelled_training', {
+json.description "#{t('.auto_cancelled_training', **{
                         TRAINING: notification.attached_object.trainings.first.name,
                         DATE: I18n.l(notification.attached_object.start_at.to_date)
                       })} #{notification.meta_data['auto_refund'] ? t('.auto_refund') : t('.manual_refund')}"
diff --git a/app/views/api/notifications/_notify_member_training_authorization_expired.json.jbuilder b/app/views/api/notifications/_notify_member_training_authorization_expired.json.jbuilder
index 5cd6d3b89..4bd017979 100644
--- a/app/views/api/notifications/_notify_member_training_authorization_expired.json.jbuilder
+++ b/app/views/api/notifications/_notify_member_training_authorization_expired.json.jbuilder
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 
 json.title notification.notification_type
-json.description t('.training_authorization_revoked', { MACHINES: notification.attached_object.machines.map(&:name).join(', ') })
+json.description t('.training_authorization_revoked', **{ MACHINES: notification.attached_object.machines.map(&:name).join(', ') })
diff --git a/app/views/api/notifications/_notify_member_training_auto_cancelled.json.jbuilder b/app/views/api/notifications/_notify_member_training_auto_cancelled.json.jbuilder
index 219454622..c598f5c50 100644
--- a/app/views/api/notifications/_notify_member_training_auto_cancelled.json.jbuilder
+++ b/app/views/api/notifications/_notify_member_training_auto_cancelled.json.jbuilder
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 json.title notification.notification_type
-json.description "#{t('.auto_cancelled_training', {
+json.description "#{t('.auto_cancelled_training', **{
                         TRAINING: notification.attached_object.reservation.reservable.name,
                         DATE: I18n.l(notification.attached_object.slot.start_at.to_date)
                       })} #{notification.meta_data['auto_refund'] ? t('.auto_refund') : ''}"
diff --git a/app/views/api/notifications/_notify_member_training_invalidated.json.jbuilder b/app/views/api/notifications/_notify_member_training_invalidated.json.jbuilder
index 438cc548e..17ca7525f 100644
--- a/app/views/api/notifications/_notify_member_training_invalidated.json.jbuilder
+++ b/app/views/api/notifications/_notify_member_training_invalidated.json.jbuilder
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 
 json.title notification.notification_type
-json.description t('.invalidated', { MACHINES: notification.attached_object.machines.map(&:name).join(', ') })
+json.description t('.invalidated', **{ MACHINES: notification.attached_object.machines.map(&:name).join(', ') })
diff --git a/config/application.rb b/config/application.rb
index 44874c4d5..1f85d8a6a 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -30,7 +30,6 @@ class FabManager::Application < Rails::Application
   # Initialize configuration defaults for originally generated Rails version.
   config.load_defaults 7.0
   config.active_support.cache_format_version = 6.1
-  config.action_dispatch.cookies_serializer = :hybrid
   config.active_record.verify_foreign_keys_for_fixtures = false
   # prevent this new behavior with rails >= 5.0
   # see https://edgeguides.rubyonrails.org/upgrading_ruby_on_rails.html#active-record-belongs-to-required-by-default-option