diff --git a/src/activitypub/notes.js b/src/activitypub/notes.js
index 21aebb4c63..b0e10d6641 100644
--- a/src/activitypub/notes.js
+++ b/src/activitypub/notes.js
@@ -267,7 +267,7 @@ Notes.assert = async (uid, input, options = { skipChecks: false }) => {
 
 		if (!hasTid && options.cid) {
 			// New topic, have category announce it
-			activitypub.out.announce.topic(tid);
+			await activitypub.out.announce.topic(tid);
 		}
 
 		return { tid, count };