Simplify the implementation of custom serialziers

Right now it is only possible to define serializers globally so we don't
need to use a class attribute in the job class.

1 files changed, 1 insertions, 1 deletions

diff --git a/activejob/lib/active_job/serializers/hash_serializer.rb b/activejob/lib/active_job/serializers/hash_serializer.rb
index eee081de7c..c4dcfaf094 100644
--- a/activejob/lib/active_job/serializers/hash_serializer.rb
+++ b/activejob/lib/active_job/serializers/hash_serializer.rb
@@ -38,7 +38,7 @@ module ActiveJob
         def serialize_hash_key(key)
           raise SerializationError.new("Only string and symbol hash keys may be serialized as job arguments, but #{key.inspect} is a #{key.class}") unless [String, Symbol].include?(key.class)
 
-          raise SerializationError.new("Can't serialize a Hash with reserved key #{key.inspect}") if ActiveJob::Base.reserved_serializers_keys.include?(key.to_s)
+          raise SerializationError.new("Can't serialize a Hash with reserved key #{key.inspect}") if ActiveJob::Serializers.reserved_serializers_keys.include?(key.to_s)
 
           key.to_s
         end