diff --git a/apps/explorer/lib/explorer/chain/import/runner/block/rewards.ex b/apps/explorer/lib/explorer/chain/import/runner/block/rewards.ex
index 3ce55fbf07..2ada9eaa7d 100644
--- a/apps/explorer/lib/explorer/chain/import/runner/block/rewards.ex
+++ b/apps/explorer/lib/explorer/chain/import/runner/block/rewards.ex
@@ -53,7 +53,11 @@ defmodule Explorer.Chain.Import.Runner.Block.Rewards do
     on_conflict = Map.get_lazy(options, :on_conflict, &default_on_conflict/0)
 
     # order so that row ShareLocks are grabbed in a consistent order
-    ordered_changes_list = Enum.sort_by(changes_list, &{&1.address_hash, &1.address_type, &1.block_hash})
+    ordered_changes_list =
+      changes_list
+      |> Enum.uniq_by(&{&1.address_hash, &1.address_type, &1.block_hash})
+      |> Enum.sort_by(&{&1.address_hash, &1.address_type, &1.block_hash})
+
 
     Import.insert_changes_list(
       repo,