diff --git a/src/wechaty/wechaty.py b/src/wechaty/wechaty.py
index 1591943d..0972a64f 100644
--- a/src/wechaty/wechaty.py
+++ b/src/wechaty/wechaty.py
@@ -530,7 +530,7 @@ async def heartbeat_listener(payload: EventHeartbeatPayload) -> None:
                     self.emit('heartbeat', payload.data)
                     await self.on_heartbeat(payload)
 
-                puppet.on('heart-beat', heartbeat_listener)
+                puppet.on('heartbeat', heartbeat_listener)
 
             elif event_name == 'friendship':
                 async def friendship_listener(payload: EventFriendshipPayload) -> None: