diff --git a/CHANGELOG.md b/CHANGELOG.md
index f6bc41c24..dab53f67c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -42,7 +42,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Mastodon API: Support for `exclude_types`, `limit` and `min_id` in `/api/v1/notifications`
 - Mastodon API: Add `languages` and `registrations` to `/api/v1/instance`
 - Mastodon API: Provide plaintext versions of cw/content in the Status entity
-- Mastodon API: Add `pleroma.conversation_id` field to the Status entity
+- Mastodon API: Add `pleroma.conversation_id`, `pleroma.in_reply_to_account_acct` fields to the Status entity
 - Mastodon API: Add `pleroma.tags`, `pleroma.relationship{}`, `pleroma.is_moderator`, `pleroma.is_admin`, `pleroma.confirmation_pending` fields to the User entity
 - Mastodon API: Add `pleroma.is_seen` to the Notification entity
 - Mastodon API: Add `pleroma.local` to the Status entity
diff --git a/docs/api/differences_in_mastoapi_responses.md b/docs/api/differences_in_mastoapi_responses.md
index 63644fc56..3bb1bd41f 100644
--- a/docs/api/differences_in_mastoapi_responses.md
+++ b/docs/api/differences_in_mastoapi_responses.md
@@ -20,6 +20,7 @@ Has these additional fields under the `pleroma` object:
 
 - `local`: true if the post was made on the local instance.
 - `conversation_id`: the ID of the conversation the status is associated with (if any)
+- `in_reply_to_account_acct`: the `acct` property of User entity for replied user (if any)
 - `content`: a map consisting of alternate representations of the `content` property with the key being it's mimetype. Currently the only alternate representation supported is `text/plain`
 - `spoiler_text`: a map consisting of alternate representations of the `spoiler_text` property with the key being it's mimetype. Currently the only alternate representation supported is `text/plain`
 
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index 58c6871d1..7dd80d708 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -238,6 +238,7 @@ def render("status.json", %{activity: %{data: %{"object" => _object}} = activity
       pleroma: %{
         local: activity.local,
         conversation_id: get_context_id(activity),
+        in_reply_to_account_acct: reply_to_user && reply_to_user.nickname,
         content: %{"text/plain" => content_plaintext},
         spoiler_text: %{"text/plain" => summary_plaintext}
       }
diff --git a/test/web/mastodon_api/status_view_test.exs b/test/web/mastodon_api/status_view_test.exs
index fde931b43..f74726212 100644
--- a/test/web/mastodon_api/status_view_test.exs
+++ b/test/web/mastodon_api/status_view_test.exs
@@ -128,6 +128,7 @@ test "a note activity" do
       pleroma: %{
         local: true,
         conversation_id: convo_id,
+        in_reply_to_account_acct: nil,
         content: %{"text/plain" => HtmlSanitizeEx.strip_tags(note.data["object"]["content"])},
         spoiler_text: %{"text/plain" => HtmlSanitizeEx.strip_tags(note.data["object"]["summary"])}
       }