diff --git a/dap/accumulator.py b/dap/accumulator.py
index bd5a0fd..b30760d 100644
--- a/dap/accumulator.py
+++ b/dap/accumulator.py
@@ -1,7 +1,7 @@
 import argparse
 
 from utils import FileHandler
-from zmqsocks import ZMQSocketsAccumulator
+from zmqsocks import ZMQSocketsAccumulator, make_address
 
 
 OUTPUT_DIR = "/gpfs/photonics/swissfel/buffer/dap/data"
@@ -10,17 +10,19 @@ OUTPUT_DIR = "/gpfs/photonics/swissfel/buffer/dap/data"
 def main():
     parser = argparse.ArgumentParser()
 
-    parser.add_argument("--accumulator_host", default="localhost")
+    parser.add_argument("--accumulator_host", default="*")
     parser.add_argument("--accumulator_port", type=int, default=13002)
 
     clargs = parser.parse_args()
 
-    accumulate(clargs.accumulator_host, clargs.accumulator_port)
+    accumulator_addr = make_address(clargs.accumulator_host, clargs.accumulator_port)
+
+    accumulate(accumulator_addr)
 
 
 
-def accumulate(accumulator_host, accumulator_port):
-    zmq_socks = ZMQSocketsAccumulator(accumulator_host, accumulator_port)
+def accumulate(accumulator_addr):
+    zmq_socks = ZMQSocketsAccumulator(accumulator_addr)
 
     output = FileHandler()
 
diff --git a/dap/worker.py b/dap/worker.py
index aa61af0..b4342c9 100644
--- a/dap/worker.py
+++ b/dap/worker.py
@@ -7,7 +7,7 @@ from algos import (
     calc_radial_integration, calc_roi, calc_spi_analysis, calc_streakfinder_analysis, JFData
 )
 from utils import Aggregator, BufferedJSON, randskip, read_bit
-from zmqsocks import ZMQSocketsWorker
+from zmqsocks import ZMQSocketsWorker, make_address
 
 
 def main():
@@ -24,25 +24,26 @@ def main():
 
     clargs = parser.parse_args()
 
+    backend_addr = make_address(clargs.backend_host, clargs.backend_port)
+    accumulator_addr = make_address(clargs.accumulator_host, clargs.accumulator_port)
+    visualisation_addr = make_address(clargs.visualisation_host, clargs.visualisation_port)
+
     work(
-        clargs.backend_host,
-        clargs.backend_port,
-        clargs.accumulator_host,
-        clargs.accumulator_port,
-        clargs.visualisation_host,
-        clargs.visualisation_port,
+        backend_addr,
+        accumulator_addr,
+        visualisation_addr,
         clargs.peakfinder_parameters,
         clargs.skip_frames_rate
     )
 
 
 
-def work(backend_host, backend_port, accumulator_host, accumulator_port, visualisation_host, visualisation_port, fn_peakfinder_parameters, skip_frames_rate):
+def work(backend_addr, accumulator_addr, visualisation_addr, fn_peakfinder_parameters, skip_frames_rate):
     bj_peakfinder_parameters = BufferedJSON(fn_peakfinder_parameters)
 
     jfdata = JFData()
 
-    zmq_socks = ZMQSocketsWorker(backend_host, backend_port, accumulator_host, accumulator_port, visualisation_host, visualisation_port)
+    zmq_socks = ZMQSocketsWorker(backend_addr, accumulator_addr, visualisation_addr)
 
     aggregator = Aggregator()
 
diff --git a/dap/zmqsocks.py b/dap/zmqsocks.py
index cd0d345..600fd98 100644
--- a/dap/zmqsocks.py
+++ b/dap/zmqsocks.py
@@ -7,13 +7,13 @@ FLAGS = 0
 
 class ZMQSocketsAccumulator:
 
-    def __init__(self, _accumulator_host, accumulator_port): #TODO: accumulator_host is not used
+    def __init__(self, accumulator_addr):
         zmq_context = zmq.Context(io_threads=4)
         self.poller = poller = zmq.Poller()
 
         # receive from workers:
         self.accumulator_socket = accumulator_socket = zmq_context.socket(zmq.PULL)
-        accumulator_socket.bind(f"tcp://*:{accumulator_port}")
+        accumulator_socket.bind(accumulator_addr)
 
         poller.register(accumulator_socket, zmq.POLLIN)
 
@@ -29,21 +29,21 @@ class ZMQSocketsAccumulator:
 
 class ZMQSocketsWorker:
 
-    def __init__(self, backend_host, backend_port, accumulator_host, accumulator_port, visualisation_host, visualisation_port):
+    def __init__(self, backend_addr, accumulator_addr, visualisation_addr):
         zmq_context = zmq.Context(io_threads=4)
         self.poller = poller = zmq.Poller()
 
         # receive from backend:
         self.backend_socket = backend_socket = zmq_context.socket(zmq.PULL)
-        backend_socket.connect(f"tcp://{backend_host}:{backend_port}")
+        backend_socket.connect(backend_addr)
 
         poller.register(backend_socket, zmq.POLLIN)
 
         self.accumulator_socket = accumulator_socket = zmq_context.socket(zmq.PUSH)
-        accumulator_socket.connect(f"tcp://{accumulator_host}:{accumulator_port}")
+        accumulator_socket.connect(accumulator_addr)
 
         self.visualisation_socket = visualisation_socket = zmq_context.socket(zmq.PUB)
-        visualisation_socket.connect(f"tcp://{visualisation_host}:{visualisation_port}")
+        visualisation_socket.connect(visualisation_addr)
 
         # in case of problem with communication to visualisation, keep in 0mq buffer only few messages
         visualisation_socket.set_hwm(10)
@@ -69,3 +69,8 @@ class ZMQSocketsWorker:
 
 
 
+def make_address(host, port)
+    return f"tcp://{host}:{port}"
+
+
+