diff --git a/apps/explorer/priv/repo/migrations/20190325081658_remove_unique_address_hash_decompiled_contracts.exs b/apps/explorer/priv/repo/migrations/20190325081658_remove_unique_address_hash_decompiled_contracts.exs
index 863de15085..eb4b94237e 100644
--- a/apps/explorer/priv/repo/migrations/20190325081658_remove_unique_address_hash_decompiled_contracts.exs
+++ b/apps/explorer/priv/repo/migrations/20190325081658_remove_unique_address_hash_decompiled_contracts.exs
@@ -2,7 +2,7 @@ defmodule Explorer.Repo.Migrations.RemoveUniqueAddressHashDecompiledContracts do
   use Ecto.Migration
 
   def change do
-    drop index(:decompiled_smart_contracts, [:address_hash])
+    drop(index(:decompiled_smart_contracts, [:address_hash]))
 
     create(
       unique_index(:decompiled_smart_contracts, [:address_hash, :decompiler_version], name: :address_decompiler_version)