diff --git a/src/api/activitypub.js b/src/api/activitypub.js
index 396aa2c1b9..2f23c483fd 100644
--- a/src/api/activitypub.js
+++ b/src/api/activitypub.js
@@ -144,10 +144,12 @@ async function buildRecipients(object, { pid, uid }) {
 	};
 }
 
-activitypubApi.create.note = enabledCheck(async (caller, { pid }) => {
-	const post = (await posts.getPostSummaryByPids([pid], caller.uid, { stripTags: false })).pop();
+activitypubApi.create.note = enabledCheck(async (caller, { pid, post }) => {
 	if (!post) {
-		return;
+		post = (await posts.getPostSummaryByPids([pid], caller.uid, { stripTags: false })).pop();
+		if (!post) {
+			return;
+		}
 	}
 
 	const allowed = await privileges.posts.can('topics:read', pid, activitypub._constants.uid);
diff --git a/src/api/topics.js b/src/api/topics.js
index 964d919188..cc761e9542 100644
--- a/src/api/topics.js
+++ b/src/api/topics.js
@@ -107,7 +107,7 @@ topicsAPI.reply = async function (caller, data) {
 	}
 
 	const postData = await topics.reply(payload); // postData seems to be a subset of postObj, refactor?
-	const postObj = await posts.getPostSummaryByPids([postData.pid], caller.uid, {});
+	const postObj = await posts.getPostSummaryByPids([postData.pid], caller.uid, {}); // standardized API response
 
 	const result = {
 		posts: [postData],
@@ -123,7 +123,7 @@ topicsAPI.reply = async function (caller, data) {
 	}
 
 	socketHelpers.notifyNew(caller.uid, 'newPost', result);
-	activitypubApi.create.note(caller, { pid: postData.pid });
+	activitypubApi.create.note(caller, { post: postObj[0] });
 
 	return postObj[0];
 };