diff --git a/EXILED/Exiled.Events/Patches/Fixes/Fix106RegenerationWithScp244.cs b/EXILED/Exiled.Events/Patches/Fixes/Fix106RegenerationWithScp244.cs
index cd331eafa..fa2f0fd0e 100644
--- a/EXILED/Exiled.Events/Patches/Fixes/Fix106RegenerationWithScp244.cs
+++ b/EXILED/Exiled.Events/Patches/Fixes/Fix106RegenerationWithScp244.cs
@@ -45,7 +45,7 @@ private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstructi
             {
                 // Scp106Role scp106Role = base.Hub.roleManager.CurrentRole as Scp106Role;
                 new CodeInstruction(OpCodes.Ldarg_0),
-                new CodeInstruction(OpCodes.Call, PropertyGetter(typeof(StatusEffectBase), nameof(StatusEffectBase.Hub))),
+                new CodeInstruction(OpCodes.Callvirt, PropertyGetter(typeof(StatusEffectBase), nameof(StatusEffectBase.Hub))),
                 new CodeInstruction(OpCodes.Ldfld, Field(typeof(ReferenceHub), nameof(ReferenceHub.roleManager))),
                 new CodeInstruction(OpCodes.Callvirt, PropertyGetter(typeof(PlayerRoleManager), nameof(PlayerRoleManager.CurrentRole))),
                 new CodeInstruction(OpCodes.Isinst, typeof(Scp106Role)),
diff --git a/EXILED/Exiled.Events/Patches/Fixes/WarheadConfigLockGateFix.cs b/EXILED/Exiled.Events/Patches/Fixes/WarheadConfigLockGateFix.cs
new file mode 100644
index 000000000..be2fbff58
--- /dev/null
+++ b/EXILED/Exiled.Events/Patches/Fixes/WarheadConfigLockGateFix.cs
@@ -0,0 +1,45 @@
+// -----------------------------------------------------------------------
+// <copyright file="WarheadConfigLockGateFix.cs" company="Exiled Team">
+// Copyright (c) Exiled Team. All rights reserved.
+// Licensed under the CC BY-SA 3.0 license.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Exiled.Events.Patches.Fixes
+{
+    using System.Collections.Generic;
+    using System.Reflection.Emit;
+
+    using API.Features.Pools;
+    using Footprinting;
+    using HarmonyLib;
+    using Interactables.Interobjects.DoorUtils;
+    using InventorySystem;
+    using InventorySystem.Items.Firearms.Ammo;
+    using InventorySystem.Items.Pickups;
+
+    using static HarmonyLib.AccessTools;
+
+    /// <summary>
+    /// Patches <see cref="DoorEventOpenerExtension.Trigger"/> delegate.
+    /// Fix than NW config "lock_gates_on_countdown"
+    /// reported https://git.scpslgame.com/northwood-qa/scpsl-bug-reporting/-/issues/316.
+    /// </summary>
+    [HarmonyPatch(typeof(DoorEventOpenerExtension), nameof(DoorEventOpenerExtension.Trigger))]
+    internal class WarheadConfigLockGateFix
+    {
+        private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions, ILGenerator generator)
+        {
+            List<CodeInstruction> newInstructions = ListPool<CodeInstruction>.Pool.Get(instructions);
+
+            // replace Contains with StartWith
+            int index = newInstructions.FindIndex(x => x.operand == (object)Method(typeof(string), nameof(string.Contains)));
+            newInstructions[index].operand = Method(typeof(string), nameof(string.StartsWith), new System.Type[] { typeof(string) });
+
+            for (int z = 0; z < newInstructions.Count; z++)
+                yield return newInstructions[z];
+
+            ListPool<CodeInstruction>.Pool.Return(newInstructions);
+        }
+    }
+}