diff --git a/src/Squidex/Config/Orleans/OrleansServices.cs b/src/Squidex/Config/Orleans/OrleansServices.cs
index 352611909..be633366f 100644
--- a/src/Squidex/Config/Orleans/OrleansServices.cs
+++ b/src/Squidex/Config/Orleans/OrleansServices.cs
@@ -58,7 +58,10 @@ namespace Squidex.Config.Orleans
             {
                 ["MongoDB"] = () =>
                 {
-                    hostBuilder.ConfigureEndpoints(Dns.GetHostName(), 11111, 40000, listenOnAnyHostAddress: true);
+                    var siloPort = int.Parse(config.GetRequiredValue("orleans:siloPort") ?? "11111");
+                    var gatewayPort = int.Parse(config.GetRequiredValue("orleans:gatewayPort") ?? "400000");
+
+                    hostBuilder.ConfigureEndpoints(Dns.GetHostName(), siloPort, gatewayPort, listenOnAnyHostAddress: true);
 
                     var mongoConfiguration = config.GetRequiredValue("store:mongoDb:configuration");
                     var mongoDatabaseName = config.GetRequiredValue("store:mongoDb:database");
diff --git a/src/Squidex/appsettings.json b/src/Squidex/appsettings.json
index 14e289162..b7bccef40 100644
--- a/src/Squidex/appsettings.json
+++ b/src/Squidex/appsettings.json
@@ -177,7 +177,9 @@
      * 
      * Supported: MongoDB, Development
      */
-    "clustering": "MongoDb"
+    "clustering": "MongoDb",
+    "siloPort": 11112,
+    "gatewayPort":  40002 
   },
 
   "eventStore": {