diff --git a/Assets/occlusion-portals/prefabs/double-door/TriggerDoor.cs b/Assets/occlusion-portals/prefabs/double-door/TriggerDoor.cs
index b55f83a..b387e0c 100644
--- a/Assets/occlusion-portals/prefabs/double-door/TriggerDoor.cs
+++ b/Assets/occlusion-portals/prefabs/double-door/TriggerDoor.cs
@@ -1,4 +1,5 @@
-using UdonSharp;
+using System;
+using UdonSharp;
 using UnityEngine;
 using VRC.SDKBase;
 
@@ -23,34 +24,33 @@ public class TriggerDoor : UdonSharpBehaviour
 
     public override void OnPlayerTriggerEnter(VRCPlayerApi player)
     {
+        var start = Time.realtimeSinceStartup;
+        
         if (player.IsValid())
         {
             player.SetPlayerTag(_tagName, MagicWord);
         }
         SetDoorState(true);
-        _counter++;
+        SetCounter(_counter + 1);
+
+        Debug.Log($"OnPlayerTriggerEnter: {Time.realtimeSinceStartup - start}s");
     }
 
     public override void OnPlayerTriggerExit(VRCPlayerApi player)
     {
+        var start = Time.realtimeSinceStartup;
+
         if (player.IsValid())
         {
             player.SetPlayerTag(_tagName);
         }
-
-        if (_counter - 1 <= 0)
-        {
-            SetDoorState(false);
-            _counter = 0;
-        }
-        else
-        {
-            _counter--;
-        }
+        SetDoorState(SetCounter(_counter - 1) > 0);
+        
+        Debug.Log($"OnPlayerTriggerExit: {Time.realtimeSinceStartup - start}s");
     }
 
     /// <summary>
-    /// A fucking workaround for a fucking OnPlayerTriggerExit() event not firing on player exiting a game
+    /// A fucking workaround for a fucking OnPlayerTriggerExit() event not firing on player exiting a game,
     /// while inside a trigger volume
     /// </summary>
     public override void OnPlayerLeft(VRCPlayerApi player)
@@ -67,6 +67,17 @@ public class TriggerDoor : UdonSharpBehaviour
         SetAnimatorValue(isOpen);
     }
 
+    private byte SetCounter(int value)
+    {
+        if (value < 0)
+            _counter = 0;
+        else if (value > 255)
+            _counter = 255;
+        else
+            _counter = (byte)value;
+        return _counter;
+    }
+
     private void SetDoorState(bool open)
     {
         if (open == isOpen)