diff --git a/lib/pleroma/web/api_spec/render_error.ex b/lib/pleroma/web/api_spec/render_error.ex
index 3539af6e49..acf510774b 100644
--- a/lib/pleroma/web/api_spec/render_error.ex
+++ b/lib/pleroma/web/api_spec/render_error.ex
@@ -17,10 +17,10 @@ defmodule Pleroma.Web.ApiSpec.RenderError do
   def call(conn, errors) do
     errors =
       Enum.map(errors, fn
-        %{name: nil, reason: :invalid_enum} = err ->
+        %OpenApiSpex.Cast.Error{name: nil, reason: :invalid_enum} = err ->
           %OpenApiSpex.Cast.Error{err | name: err.value}
 
-        %{name: nil} = err ->
+        %OpenApiSpex.Cast.Error{name: nil} = err ->
           %OpenApiSpex.Cast.Error{err | name: List.last(err.path)}
 
         err ->