diff --git a/Source/MQTTnet.Server/appsettings.json b/Source/MQTTnet.Server/appsettings.json
index 9a9ce0d..8ea10d6 100644
--- a/Source/MQTTnet.Server/appsettings.json
+++ b/Source/MQTTnet.Server/appsettings.json
@@ -2,10 +2,10 @@
     "Kestrel": {
         "EndPoints": {
             "Http": {
-                "Url": "http://localhost:80"
+                "Url": "http://*:80"
             },
             "Https": {
-                "Url": "http://localhost:443"
+                "Url": "http://*:443"
             }
         }
     },