diff --git a/OpenRA.Mods.AS/Traits/Attack/AttackOpenTopped.cs b/OpenRA.Mods.AS/Traits/Attack/AttackOpenTopped.cs
index 50b7efa679f9..431fe5328d9e 100644
--- a/OpenRA.Mods.AS/Traits/Attack/AttackOpenTopped.cs
+++ b/OpenRA.Mods.AS/Traits/Attack/AttackOpenTopped.cs
@@ -143,7 +143,7 @@ public override void DoAttack(Actor self, in Target target)
 				paxFacing[a.Actor].Facing = muzzleFacing;
 				paxPos[a.Actor].SetCenterPosition(a.Actor, pos + PortOffset(self, port));
 
-				if (!a.CheckFire(a.Actor, facing, target, true))
+				if (!a.CheckFire(a.Actor, facing, target))
 					continue;
 
 				if (a.Info.MuzzleSequence != null)
diff --git a/OpenRA.Mods.AS/Traits/Attack/AttackPrismSupported.cs b/OpenRA.Mods.AS/Traits/Attack/AttackPrismSupported.cs
index 519c0632195c..c1367b461691 100644
--- a/OpenRA.Mods.AS/Traits/Attack/AttackPrismSupported.cs
+++ b/OpenRA.Mods.AS/Traits/Attack/AttackPrismSupported.cs
@@ -127,7 +127,7 @@ public virtual void FireSupportArmament(Actor self, in Target target, Actor buff
 			var offsetedTarget = Target.FromPos(target.CenterPosition + receiverTrait.info.ReceiverOffset);
 
 			var supportArmament = self.TraitsImplementing<Armament>().First(a => a.Info.Name == info.SupportArmament);
-			supportArmament.CheckFire(self, facing, offsetedTarget, true);
+			supportArmament.CheckFire(self, facing, offsetedTarget);
 
 			// Grant the buff condition
 			receiverTrait.AddBuffStack(buffReceiver);
diff --git a/OpenRA.Mods.AS/Traits/PointDefense.cs b/OpenRA.Mods.AS/Traits/PointDefense.cs
index 8a77aa99d376..137d8422a023 100644
--- a/OpenRA.Mods.AS/Traits/PointDefense.cs
+++ b/OpenRA.Mods.AS/Traits/PointDefense.cs
@@ -66,7 +66,7 @@ bool IPointDefense.Destroy(WPos position, Player attacker, BitSet<string> types)
 			self.World.AddFrameEndTask(w =>
 			{
 				if (!self.IsDead)
-					armament.CheckFire(self, null, Target.FromPos(position), true);
+					armament.CheckFire(self, null, Target.FromPos(position));
 			});
 			return true;
 		}
diff --git a/OpenRA.Mods.AS/Traits/SharedPassenger.cs b/OpenRA.Mods.AS/Traits/SharedPassenger.cs
index 61c9b5d2455f..64badd99598e 100644
--- a/OpenRA.Mods.AS/Traits/SharedPassenger.cs
+++ b/OpenRA.Mods.AS/Traits/SharedPassenger.cs
@@ -56,21 +56,23 @@ public class SharedPassengerInfo : TraitInfo
 		[Desc("Cursor to display when unable to enter target actor.")]
 		public readonly string EnterBlockedCursor = "enter-blocked";
 
-		public override object Create(ActorInitializer init) { return new SharedPassenger(this); }
+		public override object Create(ActorInitializer init) { return new SharedPassenger(this, init.Self); }
 	}
 
 	public class SharedPassenger : IIssueOrder, IResolveOrder, IOrderVoice, INotifyRemovedFromWorld, INotifyEnteredSharedCargo, INotifyExitedSharedCargo, INotifyKilled, IObservesVariables
 	{
 		public readonly SharedPassengerInfo Info;
 		public Actor Transport;
+		readonly Actor self;
 		bool requireForceMove;
 
 		int anyCargoToken = Actor.InvalidConditionToken;
 		int specificCargoToken = Actor.InvalidConditionToken;
 
-		public SharedPassenger(SharedPassengerInfo info)
+		public SharedPassenger(SharedPassengerInfo info, Actor self)
 		{
 			Info = info;
+			this.self = self;
 		}
 
 		public SharedCargo ReservedCargo { get; private set; }
@@ -79,13 +81,13 @@ IEnumerable<IOrderTargeter> IIssueOrder.Orders
 		{
 			get
 			{
-				yield return new EnterAlliedActorTargeter<SharedCargoInfo>(
+				yield return new EnterActorTargeter<SharedCargoInfo>(
 					"EnterSharedTransport",
 					5,
 					Info.EnterCursor,
 					Info.EnterBlockedCursor,
 					IsCorrectCargoType,
-					CanEnter);
+					target => self.Owner.IsAlliedWith(target.Owner) && CanEnter(target));
 			}
 		}
 
diff --git a/OpenRA.Mods.AS/Traits/SupportPowers/FireArmamentPower.cs b/OpenRA.Mods.AS/Traits/SupportPowers/FireArmamentPower.cs
index 7c5667d78d99..f174e8496ee0 100644
--- a/OpenRA.Mods.AS/Traits/SupportPowers/FireArmamentPower.cs
+++ b/OpenRA.Mods.AS/Traits/SupportPowers/FireArmamentPower.cs
@@ -200,7 +200,7 @@ void ITick.Tick(Actor self)
 			}
 
 			foreach (var a in activeArmaments)
-				a.CheckFire(self, facing, target, true);
+				a.CheckFire(self, facing, target);
 
 			ticks++;