diff --git a/OpenRA.Game/Traits/Health.cs b/OpenRA.Game/Traits/Health.cs
index 1f5283af8a..9de4c74dda 100755
--- a/OpenRA.Game/Traits/Health.cs
+++ b/OpenRA.Game/Traits/Health.cs
@@ -96,7 +96,9 @@ namespace OpenRA.Traits
 					DamageState = this.DamageState,
 					PreviousDamageState = oldState,
 					DamageStateChanged = this.DamageState != oldState,
-					Warhead = warhead
+					Warhead = warhead,
+                    PreviousHealth = hp + damage < 0 ? 0 : hp + damage,
+                    Health = hp
 				});
 
 			if (hp <= 0)
diff --git a/OpenRA.Game/Traits/TraitsInterfaces.cs b/OpenRA.Game/Traits/TraitsInterfaces.cs
index e27bf4f877..a400bc47f4 100755
--- a/OpenRA.Game/Traits/TraitsInterfaces.cs
+++ b/OpenRA.Game/Traits/TraitsInterfaces.cs
@@ -29,7 +29,9 @@ namespace OpenRA.Traits
 		public int Damage;
 		public DamageState DamageState;
 		public DamageState PreviousDamageState;
-		public bool DamageStateChanged;
+        public bool DamageStateChanged;
+        public int PreviousHealth;
+        public int Health;
 	}
 
 	public interface ITick { void Tick(Actor self); }