diff --git a/OpenRA.Game/Traits/Activities/Move.cs b/OpenRA.Game/Traits/Activities/Move.cs
index dfa7534715..9d2fe99d26 100755
--- a/OpenRA.Game/Traits/Activities/Move.cs
+++ b/OpenRA.Game/Traits/Activities/Move.cs
@@ -161,7 +161,7 @@ namespace OpenRA.Traits.Activities
 
 			var nudge = blocker.traits.GetOrDefault<INudge>();
 			if (nudge != null)
-				nudge.OnNudge(blocker);
+				nudge.OnNudge(blocker, self);
 		}
 
 		int2? PopPath( Actor self, Mobile mobile )
diff --git a/OpenRA.Game/Traits/Mobile.cs b/OpenRA.Game/Traits/Mobile.cs
index 397ad9c02f..6431b6f083 100644
--- a/OpenRA.Game/Traits/Mobile.cs
+++ b/OpenRA.Game/Traits/Mobile.cs
@@ -25,7 +25,7 @@ namespace OpenRA.Traits
 		public virtual object Create(ActorInitializer init) { return new Mobile(init, this); }
 	}
 
-	public class Mobile : IIssueOrder, IResolveOrder, IOccupySpace, IMove, IProvideCursor
+	public class Mobile : IIssueOrder, IResolveOrder, IOccupySpace, IMove, IProvideCursor, INudge
 	{
 		public readonly Actor self;
 		public readonly MobileInfo Info;
@@ -240,5 +240,14 @@ namespace OpenRA.Traits
 		{
 			self.World.WorldActor.traits.Get<UnitInfluence>().Remove( self, this );
 		}
+
+		public void OnNudge(Actor self, Actor nudger)
+		{
+			if (self.Owner.Stances[nudger.Owner] != Stance.Ally)
+				return;		/* don't allow ourselves to be pushed around
+							 * by the enemy! */
+
+
+		}
 	}
 }
diff --git a/OpenRA.Game/Traits/TraitsInterfaces.cs b/OpenRA.Game/Traits/TraitsInterfaces.cs
index 2090824a3c..19770642b4 100644
--- a/OpenRA.Game/Traits/TraitsInterfaces.cs
+++ b/OpenRA.Game/Traits/TraitsInterfaces.cs
@@ -53,7 +53,7 @@ namespace OpenRA.Traits
 
 	public interface IDisable { bool Disabled { get; } }
 	public interface IExplodeModifier { bool ShouldExplode(Actor self); }
-	public interface INudge { void OnNudge(Actor self); }
+	public interface INudge { void OnNudge(Actor self, Actor nudger); }
 
 	public interface IOccupySpace
 	{