diff --git a/lib/pleroma/web/admin_api/controllers/config_controller.ex b/lib/pleroma/web/admin_api/controllers/config_controller.ex
index a03318c0e..989316041 100644
--- a/lib/pleroma/web/admin_api/controllers/config_controller.ex
+++ b/lib/pleroma/web/admin_api/controllers/config_controller.ex
@@ -128,7 +128,7 @@ defmodule Pleroma.Web.AdminAPI.ConfigController do
     end
   end
 
-  def update(%{body_params: %{configs: configs}} = conn, _) do
+  def update(%{body_params: %{"configs" => configs}} = conn, _) do
     with :ok <- configurable_from_database() do
       results =
         configs
diff --git a/lib/pleroma/web/api_spec/operations/admin/config_operation.ex b/lib/pleroma/web/api_spec/operations/admin/config_operation.ex
index 487dd5cda..c528cacf2 100644
--- a/lib/pleroma/web/api_spec/operations/admin/config_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/admin/config_operation.ex
@@ -47,7 +47,7 @@ defmodule Pleroma.Web.ApiSpec.Admin.ConfigOperation do
         request_body("Parameters", %Schema{
           type: :object,
           properties: %{
-            configs: %Schema{
+            "configs" => %Schema{
               type: :array,
               items: %Schema{
                 type: :object,
diff --git a/test/pleroma/web/admin_api/controllers/config_controller_test.exs b/test/pleroma/web/admin_api/controllers/config_controller_test.exs
index 19ce3681c..734aca752 100644
--- a/test/pleroma/web/admin_api/controllers/config_controller_test.exs
+++ b/test/pleroma/web/admin_api/controllers/config_controller_test.exs
@@ -873,7 +873,7 @@ defmodule Pleroma.Web.AdminAPI.ConfigControllerTest do
                                   %{
                                     "tuple" => [
                                       ":_",
-                                      "Phoenix.Endpoint.Cowboy2Handler",
+                                      "Plug.Cowboy.Handler",
                                       %{"tuple" => ["Pleroma.Web.Endpoint", []]}
                                     ]
                                   }
@@ -937,7 +937,7 @@ defmodule Pleroma.Web.AdminAPI.ConfigControllerTest do
                                        %{
                                          "tuple" => [
                                            ":_",
-                                           "Phoenix.Endpoint.Cowboy2Handler",
+                                           "Plug.Cowboy.Handler",
                                            %{"tuple" => ["Pleroma.Web.Endpoint", []]}
                                          ]
                                        }