diff --git a/lib/searchkick/model.rb b/lib/searchkick/model.rb
index dac21cb..2843670 100644
--- a/lib/searchkick/model.rb
+++ b/lib/searchkick/model.rb
@@ -35,6 +35,7 @@ module Searchkick
             index = index.call if index.respond_to? :call
             Searchkick::Index.new(index, searchkick_options)
           end
+          alias_method :search_index, :searchkick_index unless method_defined?(:search_index)
 
           def enable_search_callbacks
             class_variable_set :@@searchkick_callbacks, true
diff --git a/test/reindex_test.rb b/test/reindex_test.rb
index abaff9d..c1c7be3 100644
--- a/test/reindex_test.rb
+++ b/test/reindex_test.rb
@@ -43,12 +43,12 @@ class ReindexTest < Minitest::Test
   def test_refresh_interval
     reindex = Product.reindex(refresh_interval: "30s", async: true)
     index = Searchkick::Index.new(reindex[:index_name])
-    assert_nil Product.searchkick_index.refresh_interval
+    assert_nil Product.search_index.refresh_interval
     assert_equal "30s", index.refresh_interval
 
-    Product.searchkick_index.promote(index.name, update_refresh_interval: true)
+    Product.search_index.promote(index.name, update_refresh_interval: true)
     assert_equal "1s", index.refresh_interval
-    assert_equal "1s", Product.searchkick_index.refresh_interval
+    assert_equal "1s", Product.search_index.refresh_interval
   ensure
     Product.reindex
   end
--
libgit2 0.21.0