diff --git a/apprise/plugins/zulip.py b/apprise/plugins/zulip.py
index cff2886a..1d96f1a5 100644
--- a/apprise/plugins/zulip.py
+++ b/apprise/plugins/zulip.py
@@ -252,7 +252,7 @@ class NotifyZulip(NotifyBase):
 
         # prepare JSON Object
         payload = {
-            'subject': title,
+            'topic': title,
             'content': body,
         }