diff --git a/lib/jsonapi_errorable.rb b/lib/jsonapi_errorable.rb
index 4c6052c..c87f28b 100644
--- a/lib/jsonapi_errorable.rb
+++ b/lib/jsonapi_errorable.rb
@@ -13,6 +13,7 @@ class << self
       end
 
       def self.inherited(subklass)
+        super
         subklass._errorable_registry = self._errorable_registry.dup
       end
     end