diff --git a/virtualbox/pybox/consts/networking.py b/virtualbox/pybox/consts/networking.py
index a828c1a..92b40d4 100644
--- a/virtualbox/pybox/consts/networking.py
+++ b/virtualbox/pybox/consts/networking.py
@@ -182,5 +182,6 @@ class Serial:
         "uartbase": "0x3F8",
         "uartport": "4",
         "uartmode": "tcpserver",
+        # The port number of the ssh connection of controller-1 wil be added to the uartpath so 2 deployments don't have the same TCP port.
         "uartpath": 10000,
     }
diff --git a/virtualbox/pybox/install_vbox.py b/virtualbox/pybox/install_vbox.py
index 964854e..15e85d3 100755
--- a/virtualbox/pybox/install_vbox.py
+++ b/virtualbox/pybox/install_vbox.py
@@ -379,6 +379,10 @@ def create_lab(m_vboxoptions):
                     disk_sizes = item['disks'][no_disks]
                 vboxmanage.vboxmanage_createmedium(node, disk_sizes,
                                                    vbox_home_dir=m_vboxoptions.vbox_home_dir)
+
+        if "controller-0" in node:
+            serial_config[0]['uartpath'] = serial_config[0]['uartpath'] + int(m_vboxoptions.nat_controller0_local_ssh_port)
+
         vboxmanage.vboxmanage_modifyvm(
             node,
             {
@@ -785,7 +789,10 @@ def serial_prompt_mode(mode):
 def _connect_to_serial(virtual_machine=None):
     if not virtual_machine:
         virtual_machine = V_BOX_OPTIONS.labname + "-controller-0"
-    sock = serial.connect(virtual_machine, 10000, getpass.getuser())
+
+    port = 10000 + int(V_BOX_OPTIONS.nat_controller0_local_ssh_port)
+
+    sock = serial.connect(virtual_machine, port, getpass.getuser())
     return sock, streamexpect.wrap(sock, echo=True, close_stream=False)
 
 
@@ -921,7 +928,9 @@ def stage_install_controller0():
 
     vboxmanage.vboxmanage_startvm(ctrlr0, V_BOX_OPTIONS.headless)
 
-    sock = serial.connect(ctrlr0, 10000, getpass.getuser())
+    port = 10000 + int(V_BOX_OPTIONS.nat_controller0_local_ssh_port)
+
+    sock = serial.connect(ctrlr0, port, getpass.getuser())
     cont0_stream = streamexpect.wrap(sock, echo=True, close_stream=False)
 
     install_controller_0(