diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6bcd4ab4a7..1c878425f6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ### Features
 - [#4667](https://github.com/blockscout/blockscout/pull/4667) - Transaction Page: Add expand/collapse button for long contract method data
-- [#4641](https://github.com/blockscout/blockscout/pull/4641) - Improve Read Contract page logic
+- [#4641](https://github.com/blockscout/blockscout/pull/4641), [#4733](https://github.com/blockscout/blockscout/pull/4733) - Improve Read Contract page logic
 - [#4660](https://github.com/blockscout/blockscout/pull/4660) - Save Sourcify path instead of filename
 - [#4656](https://github.com/blockscout/blockscout/pull/4656) - Open in Tenderly button
 - [#4655](https://github.com/blockscout/blockscout/pull/4655), [#4676](https://github.com/blockscout/blockscout/pull/4676) - EIP-3091 support
diff --git a/apps/block_scout_web/lib/block_scout_web/controllers/smart_contract_controller.ex b/apps/block_scout_web/lib/block_scout_web/controllers/smart_contract_controller.ex
index ce384463a4..a18bae66b1 100644
--- a/apps/block_scout_web/lib/block_scout_web/controllers/smart_contract_controller.ex
+++ b/apps/block_scout_web/lib/block_scout_web/controllers/smart_contract_controller.ex
@@ -103,7 +103,7 @@ defmodule BlockScoutWeb.SmartContractController do
     with true <- ajax?(conn),
          {:ok, address_hash} <- Chain.string_to_address_hash(params["id"]),
          {:ok, _address} <- Chain.find_contract_address(address_hash, address_options, true) do
-      contract_type = if params["method_id"] == "proxy", do: :proxy, else: :regular
+      contract_type = if params["type"] == "proxy", do: :proxy, else: :regular
 
       %{output: outputs, names: names} =
         if params["from"] do