lib/searchkick/index.rb in searchkick-1.3.2 vs lib/searchkick/index.rb in searchkick-1.3.3

@@ -568,10 +568,10 @@
 
     def klass_document_type(klass)
       if klass.respond_to?(:document_type)
         klass.document_type
       else
-        klass.model_name.singular
+        klass.model_name.to_s.underscore
       end
     end
 
     protected