diff --git a/bfxapi/Client.py b/bfxapi/Client.py
index 9253d0d..8a9d285 100644
--- a/bfxapi/Client.py
+++ b/bfxapi/Client.py
@@ -5,9 +5,9 @@ from .rest.BfxRest import BfxRest
 
 class Client:
   def __init__(self, API_KEY=None, API_SECRET=None, rest_host='https://api.bitfinex.com/v2',
-      ws_host='wss://api.bitfinex.com/ws/2', loop=None, logLevel='INFO', *args, **kwargs):
+      ws_host='wss://api.bitfinex.com/ws/2', loop=None, logLevel='INFO', dead_man_switch=False, *args, **kwargs):
     self.loop = loop or asyncio.get_event_loop()
     self.ws = BfxWebsocket(API_KEY=API_KEY, API_SECRET=API_SECRET, host=ws_host,
-        loop=self.loop, logLevel=logLevel, *args, **kwargs)
+        loop=self.loop, logLevel=logLevel, dead_man_switch=dead_man_switch, *args, **kwargs)
     self.rest = BfxRest(API_KEY=API_KEY, API_SECRET=API_SECRET, host=rest_host,
         loop=self.loop, logLevel=logLevel, *args, **kwargs)
diff --git a/bfxapi/examples/rest/get_authenticated_data.py b/bfxapi/examples/rest/get_authenticated_data.py
index 1fbd5ba..daafdba 100644
--- a/bfxapi/examples/rest/get_authenticated_data.py
+++ b/bfxapi/examples/rest/get_authenticated_data.py
@@ -35,7 +35,7 @@ async def log_orders_history():
   [ print (o) for o in orders ]
 
 async def log_active_positions():
-  positions = await bfx.rest.get_active_position()
+  positions = await bfx.rest.get_active_positions()
   print ("Positions:")
   [ print (p) for p in positions ]
 
diff --git a/bfxapi/websockets/BfxWebsocket.py b/bfxapi/websockets/BfxWebsocket.py
index 278a3c3..4df9785 100644
--- a/bfxapi/websockets/BfxWebsocket.py
+++ b/bfxapi/websockets/BfxWebsocket.py
@@ -85,11 +85,12 @@ class BfxWebsocket(GenericWebsocket):
     20061: 'Websocket server resync complete'
   }
 
-  def __init__(self, API_KEY=None, API_SECRET=None, host='wss://api.bitfinex.com/ws/2',
-      onSeedCandleHook=None, onSeedTradeHook=None, manageOrderBooks=False, logLevel='INFO', *args, **kwargs):
+  def __init__(self, API_KEY=None, API_SECRET=None, host='wss://api.bitfinex.com/ws/2', manageOrderBooks=False,
+    dead_man_switch=False, logLevel='INFO', *args, **kwargs):
     self.API_KEY=API_KEY
     self.API_SECRET=API_SECRET
     self.manageOrderBooks = manageOrderBooks
+    self.dead_man_switch = dead_man_switch
     self.pendingOrders = {}
     self.orderBooks = {}
 
@@ -344,6 +345,8 @@ class BfxWebsocket(GenericWebsocket):
 
   async def _ws_authenticate_socket(self):
     jdata = generate_auth_payload(self.API_KEY, self.API_SECRET)
+    if self.dead_man_switch:
+      jdata['dms'] = 4
     await self.ws.send(json.dumps(jdata))
 
   async def on_open(self):