diff --git a/package.json b/package.json
index 1631d5d..53c99ca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cosmos-server",
-  "version": "0.16.0-unstable2",
+  "version": "0.16.0-unstable3",
   "description": "",
   "main": "test-server.js",
   "bugs": {
diff --git a/src/utils/utils.go b/src/utils/utils.go
index 59549af..5ce8d59 100644
--- a/src/utils/utils.go
+++ b/src/utils/utils.go
@@ -840,7 +840,10 @@ func ListIps(skipNebula bool) ([]string, error) {
 					// Check if the address is an IP address and not a mask.
 					if ipnet, ok := addr.(*osnet.IPNet); ok && !ipnet.IP.IsLoopback() {
 							if ipnet.IP.To4() != nil {
-								result = append(result, ipnet.IP.String())
+								// if not duplicate
+								if !StringArrayContains(result, ipnet.IP.String()) {
+									result = append(result, ipnet.IP.String())
+								}
 							} else if ipnet.IP.To16() != nil {
 								// ignore for now
 							}