diff --git a/Content.Server/UtkaIntegration/TCP/UtkaTCPServer.cs b/Content.Server/UtkaIntegration/TCP/UtkaTCPServer.cs
index d56204675f..5426af7abf 100644
--- a/Content.Server/UtkaIntegration/TCP/UtkaTCPServer.cs
+++ b/Content.Server/UtkaIntegration/TCP/UtkaTCPServer.cs
@@ -52,7 +52,7 @@ public sealed class UtkaTCPServer : TcpServer
 
     public void SendMessageToClient(UtkaTCPSession session, UtkaBaseMessage message)
     {
-        session.SendAsync(JsonSerializer.Serialize(message, message.GetType()));
+        session.SendAsync(JsonSerializer.Serialize(message, message.GetType()) + "&%^sep^%&");
     }
 
     protected override void OnConnected(TcpSession session)
diff --git a/Content.Server/UtkaIntegration/TCP/UtkaTCPSession.cs b/Content.Server/UtkaIntegration/TCP/UtkaTCPSession.cs
index 47d28c09fa..3b3bbc1c2e 100644
--- a/Content.Server/UtkaIntegration/TCP/UtkaTCPSession.cs
+++ b/Content.Server/UtkaIntegration/TCP/UtkaTCPSession.cs
@@ -28,13 +28,13 @@ public sealed class UtkaTCPSession : TcpSession
 
     protected override void OnError(SocketError error)
     {
-        SendAsync($"{error.ToString()}");
+        SendAsync($"{error.ToString()}&%^sep^%&");
         base.OnError(error);
     }
 
     protected override void OnConnected()
     {
-        SendAsync("Utka sosal handshake");
+        SendAsync("Utka sosal handshake&%^sep^%&");
         base.OnConnected();
     }
 
@@ -97,7 +97,7 @@ public sealed class UtkaTCPSession : TcpSession
 
             if (!ValidateMessage(handle, out var message))
             {
-                SendAsync("Validation fail");
+                SendAsync("Validation fail&%^sep^%&");
                 return;
             }