diff --git a/apps/block_scout_web/lib/block_scout_web/controllers/api/rpc/block_controller.ex b/apps/block_scout_web/lib/block_scout_web/controllers/api/rpc/block_controller.ex
index 4e18a34b3a..64fdb00538 100644
--- a/apps/block_scout_web/lib/block_scout_web/controllers/api/rpc/block_controller.ex
+++ b/apps/block_scout_web/lib/block_scout_web/controllers/api/rpc/block_controller.ex
@@ -14,19 +14,13 @@ defmodule BlockScoutWeb.API.RPC.BlockController do
       render(conn, :block_reward, block: block, reward: reward)
     else
       {:block_param, :error} ->
-        conn
-        |> put_status(400)
-        |> render(:error, error: "Query parameter 'blockno' is required")
+        render(conn, :error, error: "Query parameter 'blockno' is required")
 
       {:error, :invalid} ->
-        conn
-        |> put_status(400)
-        |> render(:error, error: "Invalid block number")
+        render(conn, :error, error: "Invalid block number")
 
       {:error, :not_found} ->
-        conn
-        |> put_status(404)
-        |> render(:error, error: "Block does not exist")
+        render(conn, :error, error: "Block does not exist")
     end
   end
 end
diff --git a/apps/block_scout_web/test/block_scout_web/controllers/api/rpc/block_controller_test.exs b/apps/block_scout_web/test/block_scout_web/controllers/api/rpc/block_controller_test.exs
index 7722f2cf14..cf4027f54d 100644
--- a/apps/block_scout_web/test/block_scout_web/controllers/api/rpc/block_controller_test.exs
+++ b/apps/block_scout_web/test/block_scout_web/controllers/api/rpc/block_controller_test.exs
@@ -5,10 +5,10 @@ defmodule BlockScoutWeb.API.RPC.BlockControllerTest do
 
   describe "getblockreward" do
     test "with missing block number", %{conn: conn} do
-      assert response =
-               conn
-               |> get("/api", %{"module" => "block", "action" => "getblockreward"})
-               |> json_response(400)
+      response =
+        conn
+        |> get("/api", %{"module" => "block", "action" => "getblockreward"})
+        |> json_response(200)
 
       assert response["message"] =~ "'blockno' is required"
       assert response["status"] == "0"
@@ -17,10 +17,10 @@ defmodule BlockScoutWeb.API.RPC.BlockControllerTest do
     end
 
     test "with an invalid block number", %{conn: conn} do
-      assert response =
-               conn
-               |> get("/api", %{"module" => "block", "action" => "getblockreward", "blockno" => "badnumber"})
-               |> json_response(400)
+      response =
+        conn
+        |> get("/api", %{"module" => "block", "action" => "getblockreward", "blockno" => "badnumber"})
+        |> json_response(200)
 
       assert response["message"] =~ "Invalid block number"
       assert response["status"] == "0"
@@ -29,10 +29,10 @@ defmodule BlockScoutWeb.API.RPC.BlockControllerTest do
     end
 
     test "with a block that doesn't exist", %{conn: conn} do
-      assert response =
-               conn
-               |> get("/api", %{"module" => "block", "action" => "getblockreward", "blockno" => "42"})
-               |> json_response(404)
+      response =
+        conn
+        |> get("/api", %{"module" => "block", "action" => "getblockreward", "blockno" => "42"})
+        |> json_response(200)
 
       assert response["message"] =~ "Block does not exist"
       assert response["status"] == "0"