diff --git a/Zero-K.info/Controllers/ForumController.cs b/Zero-K.info/Controllers/ForumController.cs
index 148301e7a2..a31a97a150 100644
--- a/Zero-K.info/Controllers/ForumController.cs
+++ b/Zero-K.info/Controllers/ForumController.cs
@@ -244,7 +244,7 @@ public ActionResult SubmitPost(
                 forumPostID == null && string.IsNullOrWhiteSpace(title)) return Content("Cannot post new thread with blank title");
             if (string.IsNullOrWhiteSpace(text)) return Content("Please type some text :)");
 
-            var penalty = Punishment.GetActivePunishment(Global.AccountID, Request.ServerVariables["REMOTE_ADDR"], 0, x => x.BanForum);
+            var penalty = Punishment.GetActivePunishment(Global.AccountID, MvcApplication.GetUserIP(Request), 0, x => x.BanForum);
             if (penalty != null)
             {
                 return
diff --git a/Zero-K.info/Global.asax.cs b/Zero-K.info/Global.asax.cs
index 5632c73d2c..33e96aac55 100644
--- a/Zero-K.info/Global.asax.cs
+++ b/Zero-K.info/Global.asax.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
+using System.Net;
 using System.Web;
 using System.Web.Mvc;
 using System.Web.Optimization;
@@ -102,8 +103,16 @@ protected void Application_Start()
 
         private string GetUserIP()
         {
-            var ip = Context.Request.ServerVariables["REMOTE_ADDR"];
-            return ip;
+            return GetUserIP(new HttpRequestWrapper(Context.Request));
+        }
+
+        public static string GetUserIP(HttpRequestBase request)
+        {
+            string hostname = request.ServerVariables["REMOTE_HOST"];
+            IPAddress[] ipv4s = Array.FindAll(Dns.GetHostEntry(hostname).AddressList,
+                a => a.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork);
+            if (ipv4s.Length > 0) return ipv4s[0].ToString();
+            return request.ServerVariables["REMOTE_ADDR"];
         }
 
         private void MvcApplication_Error(object sender, EventArgs e)