diff --git a/lib/oban/repo.ex b/lib/oban/repo.ex
index 7c19f3d4..3c8c09b7 100644
--- a/lib/oban/repo.ex
+++ b/lib/oban/repo.ex
@@ -153,7 +153,7 @@ defmodule Oban.Repo do
   end
 
   defp transaction(conf, fun_or_multi, opts, attempt) do
-    __dispatch__(:transaction, [conf, fun_or_multi, opts])
+    __dispatch__(:transaction, [conf, fun_or_multi], opts)
   rescue
     error in [DBConnection.ConnectionError, Postgrex.Error] ->
       opts = Keyword.merge(@retry_opts, opts)