diff --git a/apps/block_scout_web/lib/block_scout_web/controllers/api/v1/decompiled_smart_contract_controller.ex b/apps/block_scout_web/lib/block_scout_web/controllers/api/v1/decompiled_smart_contract_controller.ex
index b0ebc5b40e..ab71f6c910 100644
--- a/apps/block_scout_web/lib/block_scout_web/controllers/api/v1/decompiled_smart_contract_controller.ex
+++ b/apps/block_scout_web/lib/block_scout_web/controllers/api/v1/decompiled_smart_contract_controller.ex
@@ -9,13 +9,13 @@ defmodule BlockScoutWeb.API.V1.DecompiledSmartContractController do
       with :ok <- validate_address_hash(params["address_hash"]) do
         case Chain.create_decompiled_smart_contract(params) do
           {:ok, _decompiled_source_code} ->
-            send_resp(conn, :created, "")
+            send_resp(conn, :created, "ok")
 
           {:error, _changeset} ->
-            send_resp(conn, :unprocessable_entity, "")
+            send_resp(conn, :unprocessable_entity, "error")
         end
       else
-        :error -> send_resp(conn, :unprocessable_entity, "")
+        :error -> send_resp(conn, :unprocessable_entity, "error")
       end
     else
       send_resp(conn, :forbidden, "")
diff --git a/apps/block_scout_web/test/block_scout_web/controllers/api/v1/decompiled_smart_contract_controller_test.exs b/apps/block_scout_web/test/block_scout_web/controllers/api/v1/decompiled_smart_contract_controller_test.exs
index 3aa6eb5387..72a54010bd 100644
--- a/apps/block_scout_web/test/block_scout_web/controllers/api/v1/decompiled_smart_contract_controller_test.exs
+++ b/apps/block_scout_web/test/block_scout_web/controllers/api/v1/decompiled_smart_contract_controller_test.exs
@@ -22,6 +22,7 @@ defmodule BlockScoutWeb.API.V1.DecompiledControllerTest do
       request = post(conn, api_v1_decompiled_smart_contract_path(conn, :create))
 
       assert request.status == 422
+      assert request.resp_body == "error"
     end
 
     test "returns unprocessable_entity when address_hash is invalid", %{conn: conn} do
@@ -37,6 +38,7 @@ defmodule BlockScoutWeb.API.V1.DecompiledControllerTest do
       request = post(conn, api_v1_decompiled_smart_contract_path(conn, :create), params)
 
       assert request.status == 422
+      assert request.resp_body == "error"
     end
 
     test "creates decompiled smart contract", %{conn: conn} do
@@ -53,6 +55,7 @@ defmodule BlockScoutWeb.API.V1.DecompiledControllerTest do
       request = post(conn, api_v1_decompiled_smart_contract_path(conn, :create), params)
 
       assert request.status == 201
+      assert request.resp_body == "ok"
 
       decompiled_smart_contract = Repo.one!(from(d in DecompiledSmartContract, where: d.address_hash == ^address_hash))
       assert to_string(decompiled_smart_contract.address_hash) == address_hash