diff --git a/pylammpsmpi/mpi/lmpmpi.py b/pylammpsmpi/mpi/lmpmpi.py
index 5c1b2b6f..6aec39e0 100644
--- a/pylammpsmpi/mpi/lmpmpi.py
+++ b/pylammpsmpi/mpi/lmpmpi.py
@@ -463,7 +463,11 @@ def _run_lammps_mpi(argument_lst):
         context = zmq.Context()
         socket = context.socket(zmq.PAIR)
         port_selected = argument_lst[argument_lst.index("--zmqport") + 1]
-        socket.connect("tcp://localhost:" + port_selected)
+        if "--host" in argument_lst:
+            host = argument_lst[argument_lst.index("--host") + 1]
+        else:
+            host = "localhost"
+        socket.connect("tcp://" + host + ":" + port_selected)
     else:
         context, socket = None, None
     # Lammps executable
diff --git a/pylammpsmpi/utils/lammps.py b/pylammpsmpi/utils/lammps.py
index be1d4fe0..4b94f502 100644
--- a/pylammpsmpi/utils/lammps.py
+++ b/pylammpsmpi/utils/lammps.py
@@ -3,6 +3,7 @@
 # Distributed under the terms of "New BSD License", see the LICENSE file.
 
 import os
+import socket
 from pympipool import SocketInterface
 
 
@@ -39,6 +40,11 @@ def _initialize_socket(
         "--zmqport",
         str(port_selected),
     ]
+    if enable_flux_backend:
+        cmds += [
+            "--host",
+            socket.gethostname(),
+        ]
     if cmdargs is not None:
         cmds.extend(cmdargs)
     interface.bootup(command_lst=cmds, cwd=cwd)