diff --git a/lib/network.py b/lib/network.py
index 29c57b9b1..ffb424099 100644
--- a/lib/network.py
+++ b/lib/network.py
@@ -711,7 +711,7 @@ class Network(util.DaemonThread):
         interface.mode = 'default'
         interface.request = None
         self.interfaces[server] = interface
-        self.queue_request('blockchain.headers.subscribe', [], interface)
+        self.queue_request('blockchain.headers.subscribe', [True], interface)
         if server == self.default_server:
             self.switch_to_interface(server)
         #self.notify('interfaces')
@@ -983,10 +983,9 @@ class Network(util.DaemonThread):
         self.stop_network()
         self.on_stop()
 
-    def on_notify_header(self, interface, header):
-        height = header.get('block_height')
-        if not height:
-            return
+    def on_notify_header(self, interface, header_dict):
+        header_hex, height = header_dict['hex'], header_dict['height']
+        header = blockchain.deserialize_header(bfh(header_hex), height)
         if height < self.max_checkpoint():
             self.connection_down(interface.server)
             return
diff --git a/scripts/block_headers b/scripts/block_headers
index 82f6b100f..14ae918a9 100755
--- a/scripts/block_headers
+++ b/scripts/block_headers
@@ -21,7 +21,8 @@ if not network.is_connected():
 
 # 2. send the subscription
 callback = lambda response: print_msg(json_encode(response.get('result')))
-network.send([('blockchain.headers.subscribe',[])], callback)
+network.send([('server.version',["block_headers script", "1.2"])], callback)
+network.send([('blockchain.headers.subscribe',[True])], callback)
 
 # 3. wait for results
 while network.is_connected():
diff --git a/scripts/watch_address b/scripts/watch_address
index 461e41863..a8446fc81 100755
--- a/scripts/watch_address
+++ b/scripts/watch_address
@@ -2,6 +2,7 @@
 
 import sys
 import time
+from electrum import bitcoin
 from electrum import SimpleConfig, Network
 from electrum.util import print_msg, json_encode
 
@@ -11,6 +12,8 @@ except Exception:
     print("usage: watch_address <bitcoin_address>")
     sys.exit(1)
 
+sh = bitcoin.address_to_scripthash(addr)
+
 # start network
 c = SimpleConfig()
 network = Network(c)
@@ -26,7 +29,7 @@ if not network.is_connected():
 
 # 2. send the subscription
 callback = lambda response: print_msg(json_encode(response.get('result')))
-network.send([('blockchain.address.subscribe',[addr])], callback)
+network.send([('blockchain.scripthash.subscribe',[sh])], callback)
 
 # 3. wait for results
 while network.is_connected():