diff --git a/Barotrauma/BarotraumaServer/Source/Networking/BanList.cs b/Barotrauma/BarotraumaServer/Source/Networking/BanList.cs
index 9103fee86..b7a9b438f 100644
--- a/Barotrauma/BarotraumaServer/Source/Networking/BanList.cs
+++ b/Barotrauma/BarotraumaServer/Source/Networking/BanList.cs
@@ -35,6 +35,7 @@ namespace Barotrauma.Networking
 
         public bool CompareTo(string ipCompare)
         {
+            if (string.IsNullOrEmpty(IP)) { return false; }
             if (!IsRangeBan)
             {
                 return ipCompare == IP;
@@ -49,6 +50,7 @@ namespace Barotrauma.Networking
 
         public bool CompareTo(IPAddress ipCompare)
         {
+            if (string.IsNullOrEmpty(IP)) { return false; }
             if (ipCompare.IsIPv4MappedToIPv6 && CompareTo(ipCompare.MapToIPv4().ToString()))
             {
                 return true;