diff --git a/lib/pleroma/web/common_api/activity_draft.ex b/lib/pleroma/web/common_api/activity_draft.ex
index 7728c6bcb..2495978b4 100644
--- a/lib/pleroma/web/common_api/activity_draft.ex
+++ b/lib/pleroma/web/common_api/activity_draft.ex
@@ -247,7 +247,7 @@ defmodule Pleroma.Web.CommonAPI.ActivityDraft do
            true <- good_locale_code?(language) do
         language
       else
-        _ -> LanguageDetector.detect(draft.full_payload)
+        _ -> LanguageDetector.detect(draft.content_html <> " " <> draft.summary)
       end
 
     %__MODULE__{draft | language: language}