diff --git a/lib/searchkick.rb b/lib/searchkick.rb
index afee50b..4f8d1a8 100644
--- a/lib/searchkick.rb
+++ b/lib/searchkick.rb
@@ -83,13 +83,13 @@ module Searchkick
   def self.search(term = "*", **options, &block)
     klass = options[:model]
 
-    # TODO add in next major version
-    # if !klass
-    #   index_name = Array(options[:index_name])
-    #   if index_name.size == 1 && index_name.first.respond_to?(:searchkick_index)
-    #     klass = index_name.first
-    #   end
-    # end
+    # make Searchkick.search(index_name: [Product]) and Product.search equivalent
+    if !klass
+      index_name = Array(options[:index_name])
+      if index_name.size == 1 && index_name.first.respond_to?(:searchkick_index)
+        klass = index_name.first
+      end
+    end
 
     query = Searchkick::Query.new(klass, term, options.except(:model))
     block.call(query.body) if block
--
libgit2 0.21.0