diff --git a/.env.common b/.env.common
index 4293f24..26ee600 100644
--- a/.env.common
+++ b/.env.common
@@ -17,7 +17,7 @@ REDIS_VERSION=7.2.0-v6
 MINIO_VERSION=RELEASE.2024-07-04T14-25-45Z 
 
 EXTERNAL_LISTEN_HOST="127.0.0.1"
-#EXTERNAL_LISTEN_HOSTS="192.168.1.2"
+#EXTERNAL_LISTEN_HOSTS="192.168.1.2 10.0.0.2"
 
 ANY_SYNC_NODE_1_HOST=any-sync-node-1
 ANY_SYNC_NODE_1_PORT=1001
diff --git a/docker-generateconfig/setListenIp.py b/docker-generateconfig/setListenIp.py
index d973a9a..1ec696b 100755
--- a/docker-generateconfig/setListenIp.py
+++ b/docker-generateconfig/setListenIp.py
@@ -29,14 +29,15 @@ inputYamlFile = sys.argv[1]
 outputYamlFile = sys.argv[2]
 externalListenHosts = envVars.get('EXTERNAL_LISTEN_HOSTS', '127.0.0.1').split()
 externalListenHost = envVars.get('EXTERNAL_LISTEN_HOST', None)
+if externalListenHost:
+    externalListenHosts = [externalListenHost]
+
 print(f"DEBUG: externalListenHosts={externalListenHosts}")
 print(f"DEBUG: externalListenHost={externalListenHost}")
 listenHosts = list()
-for externalListenHost in externalListenHosts:
-    if externalListenHost not in listenHosts:
-        listenHosts.append(externalListenHost)
-if externalListenHost not in listenHosts:
-    listenHosts.append(externalListenHost)
+for host in externalListenHosts:
+    if host not in listenHosts:
+        listenHosts.append(host)
 
 print(f"DEBUG: listenHosts={listenHosts}")