diff --git a/apps/block_scout_web/lib/block_scout_web/controllers/address_contract_verification_controller.ex b/apps/block_scout_web/lib/block_scout_web/controllers/address_contract_verification_controller.ex
index 23765f97aa..75cda8c965 100644
--- a/apps/block_scout_web/lib/block_scout_web/controllers/address_contract_verification_controller.ex
+++ b/apps/block_scout_web/lib/block_scout_web/controllers/address_contract_verification_controller.ex
@@ -29,7 +29,7 @@ defmodule BlockScoutWeb.AddressContractVerificationController do
           "evm_version" => evm_version
         }
       ) do
-    smart_sontact_with_evm_version = Map.put(smart_contract, "evm_version", evm_version)
+    smart_sontact_with_evm_version = Map.put(smart_contract, "evm_version", evm_version["evm_version"])
 
     case Publisher.publish(address_hash_string, smart_sontact_with_evm_version, external_libraries) do
       {:ok, _smart_contract} ->