diff --git a/app.py b/app.py
index b858154..6ce2143 100644
--- a/app.py
+++ b/app.py
@@ -712,7 +712,13 @@ def addAnswer():
     if not answer:
         abort(400, _("Missing 'answer' attribute or 'answer' is empty"))
 
-    return func.addAnswer(question_id, answer, cw)
+    return_val = func.addAnswer(question_id, answer, cw)
+
+    if cfg['crosspost']['fediverse']['enabled']:
+        fedi_crosspost_thread = threading.Thread(target=func.postOnFediverse, name=f"fediverse crosspost thread for {question_id}", args=(question_id, answer, cw,))
+        fedi_crosspost_thread.start()
+
+    return return_val
 
 # -- uploaders --