diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1607d61..df0e978 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 3.0.2 [unreleased]
+
+- Fixed `Unsupported argument type: Symbol` for async partial reindex
+
 ## 3.0.1
 
 - Added `scope` option for partial reindex
diff --git a/lib/searchkick/record_indexer.rb b/lib/searchkick/record_indexer.rb
index ebf6fdb..5428518 100644
--- a/lib/searchkick/record_indexer.rb
+++ b/lib/searchkick/record_indexer.rb
@@ -26,7 +26,11 @@ module Searchkick
           raise Searchkick::Error, "Active Job not found"
         end
 
-        Searchkick::ReindexV2Job.perform_later(record.class.name, record.id.to_s, method_name)
+        Searchkick::ReindexV2Job.perform_later(
+          record.class.name,
+          record.id.to_s,
+          method_name ? method_name.to_s : nil
+        )
       else # bulk, true
         reindex_record(method_name)
 
diff --git a/test/partial_reindex_test.rb b/test/partial_reindex_test.rb
index 78b9a79..4e51482 100644
--- a/test/partial_reindex_test.rb
+++ b/test/partial_reindex_test.rb
@@ -55,4 +55,11 @@ class PartialReindexTest < Minitest::Test
     assert_search "bye", ["Bye"], fields: [:name], load: false
     assert_search "blue", ["Bye"], fields: [:color], load: false
   end
+
+  def test_instance_method_async
+    skil unless defined?(ActiveJob)
+
+    product = Product.create!(name: "Hi")
+    product.reindex(:search_data, mode: :async)
+  end
 end
--
libgit2 0.21.0