1 files changed, 7 insertions, 5 deletions
diff --git a/activesupport/lib/active_support/railtie.rb b/activesupport/lib/active_support/railtie.rb
index 3488721df9..6b8fa676a9 100644
--- a/activesupport/lib/active_support/railtie.rb
+++ b/activesupport/lib/active_support/railtie.rb
@@ -10,9 +10,11 @@ module ActiveSupport
     config.eager_load_namespaces << ActiveSupport
 
     initializer "active_support.set_authenticated_message_encryption" do |app|
-      if app.config.active_support.respond_to?(:use_authenticated_message_encryption)
-        ActiveSupport::MessageEncryptor.use_authenticated_message_encryption =
-          app.config.active_support.use_authenticated_message_encryption
+      config.after_initialize do
+        unless app.config.active_support.use_authenticated_message_encryption.nil?
+          ActiveSupport::MessageEncryptor.use_authenticated_message_encryption =
+            app.config.active_support.use_authenticated_message_encryption
+        end
       end
     end
 
@@ -68,9 +70,9 @@ module ActiveSupport
     end
 
     initializer "active_support.set_hash_digest_class" do |app|
-      if app.config.active_support.respond_to?(:use_hash_digest_class) && app.config.active_support.use_hash_digest_class
+      if app.config.active_support.hash_digest_class
         ActiveSupport::Digest.hash_digest_class =
-          app.config.active_support.use_hash_digest_class
+          app.config.active_support.hash_digest_class
       end
     end
   end