diff --git a/lib/active_model/serializer.rb b/lib/active_model/serializer.rb
index 79478abb7..80958d067 100644
--- a/lib/active_model/serializer.rb
+++ b/lib/active_model/serializer.rb
@@ -27,6 +27,11 @@ class Serializer
     include Links
     include Meta
     include Type
+    class Null < Serializer
+      def attributes; {}; end
+      def associations; {}; end
+      def serializable_hash; {}; end
+    end
 
     # @param resource [ActiveRecord::Base, ActiveModelSerializers::Model]
     # @return [ActiveModel::Serializer]
diff --git a/lib/active_model_serializers/logging.rb b/lib/active_model_serializers/logging.rb
index 2a859c413..c18797fbb 100644
--- a/lib/active_model_serializers/logging.rb
+++ b/lib/active_model_serializers/logging.rb
@@ -81,7 +81,10 @@ def notify_render(*)
     end
 
     def notify_render_payload
-      { serializer: serializer, adapter: adapter }
+      {
+        serializer: serializer || ActiveModel::Serializer::Null,
+        adapter: adapter || ActiveModelSerializers::Adapter::Null,
+      }
     end
 
     private