diff --git a/servapps/mbusd/cosmos-compose.json b/servapps/mbusd/cosmos-compose.json
index f4ef1176..29bf24b5 100644
--- a/servapps/mbusd/cosmos-compose.json
+++ b/servapps/mbusd/cosmos-compose.json
@@ -4,13 +4,13 @@
     {
       "name": "serialPort",
       "label": "serial Port",
-      "initialValue": "/dev/ttyACM2",
+      "initialValue": "ttyACM2",
       "type": "select",
       "options": [
-        ["/dev/ttyACM0", "/dev/ttyACM0 -> Serialport 0 -> Coprocessor"],
-        ["/dev/ttyACM1", "/dev/ttyACM1 -> Serialport 1 -> KNX, RS485 or RS232"],
-        ["/dev/ttyACM2", "/dev/ttyACM2 -> Serialport 2 -> RS485 or RS232"],
-        ["/dev/ttyACM3", "/dev/ttyACM3 -> Serialport 3 -> RS485 or RS232"]
+        ["ttyACM0", "/dev/ttyACM0 -> Serialport 0 -> Coprocessor"],
+        ["ttyACM1", "/dev/ttyACM1 -> Serialport 1 -> KNX, RS485 or RS232"],
+        ["ttyACM2", "/dev/ttyACM2 -> Serialport 2 -> RS485 or RS232"],
+        ["ttyACM3", "/dev/ttyACM3 -> Serialport 3 -> RS485 or RS232"]
       ]
     },
     {
@@ -51,10 +51,10 @@
         ],
         "form.serialPort.label": "serieller Anschluss",
         "form.serialPort.options": [
-          ["/dev/ttyACM0", "/dev/ttyACM0 -> Serieller Anschluss 0 -> Koprocessor"],
-          ["/dev/ttyACM1", "/dev/ttyACM1 -> Serieller Anschluss 1 -> KNX, RS485 oder RS232"],
-          ["/dev/ttyACM2", "/dev/ttyACM2 -> Serieller Anschluss 2 -> RS485 oder RS232"],
-          ["/dev/ttyACM3", "/dev/ttyACM3 -> Serieller Anschluss 3 -> RS485 oder RS232"]
+          ["ttyACM0", "/dev/ttyACM0 -> Serieller Anschluss 0 -> Koprocessor"],
+          ["ttyACM1", "/dev/ttyACM1 -> Serieller Anschluss 1 -> KNX, RS485 oder RS232"],
+          ["ttyACM2", "/dev/ttyACM2 -> Serieller Anschluss 2 -> RS485 oder RS232"],
+          ["ttyACM3", "/dev/ttyACM3 -> Serieller Anschluss 3 -> RS485 oder RS232"]
         ]        
       }
     }
@@ -62,7 +62,7 @@
   "services": {
     "{ServiceName}": {
       "image": "ghcr.io/aseracorp/mbusd:latest",
-      "container_name": "{ServiceName}",
+      "container_name": "{ServiceName}-{Context.serialPort}",
       "restart": "unless-stopped",
       "UID": 1000,
       "GID": 1000,
@@ -76,7 +76,7 @@
       },
       "command": "-d -L - -p /dev/ttyModbus -s {Context.baudrate} -m {Context.mode}",
       "devices": [
-        "{Context.serialPort}:/dev/ttyModbus:rwm"
+        "/dev/{Context.serialPort}:/dev/ttyModbus:rwm"
       ],
       "volumes": [
         {