diff --git a/src/Jackett/Models/Config/ServerConfig.cs b/src/Jackett/Models/Config/ServerConfig.cs
index 58a221a5f..36f8e1d39 100644
--- a/src/Jackett/Models/Config/ServerConfig.cs
+++ b/src/Jackett/Models/Config/ServerConfig.cs
@@ -12,6 +12,7 @@ namespace Jackett.Models.Config
         public ServerConfig()
         {
             Port = 9117;
+            AllowExternal = System.Environment.OSVersion.Platform == PlatformID.Unix;
         }
 
         public int Port { get; set; }