diff --git a/src/Squidex/Config/Orleans/OrleansServices.cs b/src/Squidex/Config/Orleans/OrleansServices.cs
index de6cf2174..c4e2ae7fc 100644
--- a/src/Squidex/Config/Orleans/OrleansServices.cs
+++ b/src/Squidex/Config/Orleans/OrleansServices.cs
@@ -58,8 +58,8 @@ namespace Squidex.Config.Orleans
             {
                 ["MongoDB"] = () =>
                 {
-                    var siloPort = int.Parse(config.GetRequiredValue("orleans:siloPort") ?? "11111");
-                    var gatewayPort = int.Parse(config.GetRequiredValue("orleans:gatewayPort") ?? "400000");
+                    var siloPort = int.Parse(Environment.GetEnvironmentVariable("Orleans.SiloPort") ?? "11111");
+                    var gatewayPort = int.Parse(Environment.GetEnvironmentVariable("Orleans.GatewayPort") ?? "40000");
 
                     hostBuilder.ConfigureEndpoints(Dns.GetHostName(), siloPort, gatewayPort, listenOnAnyHostAddress: true);
 
diff --git a/src/Squidex/appsettings.json b/src/Squidex/appsettings.json
index b7bccef40..14e289162 100644
--- a/src/Squidex/appsettings.json
+++ b/src/Squidex/appsettings.json
@@ -177,9 +177,7 @@
      * 
      * Supported: MongoDB, Development
      */
-    "clustering": "MongoDb",
-    "siloPort": 11112,
-    "gatewayPort":  40002 
+    "clustering": "MongoDb"
   },
 
   "eventStore": {