diff --git a/__init__.py b/__init__.py
index 52fe2dc..93c7adc 100644
--- a/__init__.py
+++ b/__init__.py
@@ -79,7 +79,7 @@ class SessionProps(bpy.types.PropertyGroup):
     port: bpy.props.IntProperty(
         name="port",
         description='Distant host port',
-        default=5555)
+        default=5554)
 
     add_property_depth: bpy.props.IntProperty(
         name="add_property_depth",
diff --git a/server.py b/server.py
index ba4f48b..de3c9b5 100644
--- a/server.py
+++ b/server.py
@@ -32,19 +32,19 @@ class ServerAgent():
         # Update all clients
         self.pub_sock = self.context.socket(zmq.PUB)
         self.pub_sock.setsockopt(zmq.SNDHWM, 60)
-        self.pub_sock.bind("tcp://*:5556")
+        self.pub_sock.bind("tcp://*:5555")
         time.sleep(0.2)
 
         # Update request
         self.request_sock = self.context.socket(zmq.ROUTER)
         self.request_sock.setsockopt(zmq.IDENTITY, b'SERVER')
         self.request_sock.setsockopt(zmq.RCVHWM, 60)
-        self.request_sock.bind("tcp://*:5555")
+        self.request_sock.bind("tcp://*:5554")
 
         # Update collector
         self.collector_sock = self.context.socket(zmq.PULL)
         self.collector_sock.setsockopt(zmq.RCVHWM, 60)
-        self.collector_sock.bind("tcp://*:5557")
+        self.collector_sock.bind("tcp://*:5556")
 
         # poller for socket aggregation
         self.poller = zmq.Poller()