diff --git a/OpenRA.Game/Traits/Mobile.cs b/OpenRA.Game/Traits/Mobile.cs
index 00854125b1..76f4ed264e 100644
--- a/OpenRA.Game/Traits/Mobile.cs
+++ b/OpenRA.Game/Traits/Mobile.cs
@@ -52,6 +52,10 @@ namespace OpenRA.Traits
 				{
 					self.World.WorldActor.traits.Get<UnitInfluence>().Remove(self, this);
 					self.Location = value;
+
+					self.World.WorldActor.traits.Get<Shroud>().UpdateActor(self);
+
+					// todo: dies
 					self.Owner.Shroud.Explore(self);
 				}
 				self.World.WorldActor.traits.Get<UnitInfluence>().Add(self, this);
diff --git a/OpenRA.Game/Traits/World/Shroud.cs b/OpenRA.Game/Traits/World/Shroud.cs
index 3c9e6e2462..fe697461c0 100644
--- a/OpenRA.Game/Traits/World/Shroud.cs
+++ b/OpenRA.Game/Traits/World/Shroud.cs
@@ -18,10 +18,10 @@
  */
 #endregion
 
-using OpenRA.FileFormats;
 using System.Collections.Generic;
-using OpenRA.GameRules;
 using System.Linq;
+using OpenRA.FileFormats;
+using OpenRA.GameRules;
 
 namespace OpenRA.Traits
 {
@@ -101,5 +101,7 @@ namespace OpenRA.Traits
 
 			vis.Remove(a);
 		}
+
+		public void UpdateActor(Actor a) { RemoveActor(a); AddActor(a); }
 	}
 }
diff --git a/mods/ra/rules.yaml b/mods/ra/rules.yaml
index ac2c8285c0..9ce54a0285 100755
--- a/mods/ra/rules.yaml
+++ b/mods/ra/rules.yaml
@@ -268,6 +268,7 @@ World:
 	EvaAlerts:
 	SpatialBins:
 		BinSize: 4
+	Shroud:
 
 MGG:
 	GeneratesGap: