diff --git a/apps/block_scout_web/lib/block_scout_web/templates/address_contract_verification_vyper/new.html.eex b/apps/block_scout_web/lib/block_scout_web/templates/address_contract_verification_vyper/new.html.eex
index 2c6fe4d5de..a664c71aa0 100644
--- a/apps/block_scout_web/lib/block_scout_web/templates/address_contract_verification_vyper/new.html.eex
+++ b/apps/block_scout_web/lib/block_scout_web/templates/address_contract_verification_vyper/new.html.eex
@@ -44,7 +44,7 @@
           >
             <%= render BlockScoutWeb.CommonComponentsView, "_loading_spinner.html", loading_text: gettext("Loading...") %>
           </button>
-          <%= submit gettext("Verify & publish"), class: "btn-full-primary mr-2", "data-button-loading": "animation"  %>
+          <%= submit gettext("Verify & publish"), class: "btn-full-primary mr-2", "data-button-loading": "animation", "data-submit-button": "" %>
           <%= reset gettext("Reset"), class: "btn-line mr-2 js-smart-contract-form-reset" %>
           <%=
             link(
diff --git a/apps/explorer/lib/explorer/chain/smart_contract.ex b/apps/explorer/lib/explorer/chain/smart_contract.ex
index 007f2bfe34..dbe79dbd52 100644
--- a/apps/explorer/lib/explorer/chain/smart_contract.ex
+++ b/apps/explorer/lib/explorer/chain/smart_contract.ex
@@ -449,8 +449,8 @@ defmodule Explorer.Chain.SmartContract do
         %__MODULE__{is_vyper_contract: true} = twin_contract,
         %Changeset{} = changeset
       ) do
-    twin_contract
-    |> changeset(%{})
+    %__MODULE__{}
+    |> changeset(Map.from_struct(twin_contract))
     |> Changeset.force_change(:address_hash, Changeset.get_field(changeset, :address_hash))
   end