diff --git a/lib/tfw/networking/server_connector.py b/lib/tfw/networking/server_connector.py
index e1ef1fe..88e9450 100644
--- a/lib/tfw/networking/server_connector.py
+++ b/lib/tfw/networking/server_connector.py
@@ -13,8 +13,8 @@ LOG = logging.getLogger(__name__)
 class ServerDownlinkConnector():
     def __init__(self, connect_addr):
         self._zmq_sub_socket = zmq.Context.instance().socket(zmq.SUB)
-        self._zmq_sub_socket.connect(connect_addr)
         self._zmq_sub_socket.setsockopt(zmq.RCVHWM, 0)
+        self._zmq_sub_socket.connect(connect_addr)
         self._zmq_sub_stream = ZMQStream(self._zmq_sub_socket)
 
         self.subscribe = partial(self._zmq_sub_socket.setsockopt_string, zmq.SUBSCRIBE)
@@ -31,8 +31,8 @@ class ServerDownlinkConnector():
 class ServerUplinkConnector():
     def __init__(self, connect_addr):
         self._zmq_push_socket = zmq.Context.instance().socket(zmq.PUSH)
-        self._zmq_push_socket.connect(connect_addr)
         self._zmq_push_socket.setsockopt(zmq.SNDHWM, 0)
+        self._zmq_push_socket.connect(connect_addr)
 
     def send_message(self, message, scope=Scope.ZMQ):
         message['scope'] = scope.value