diff --git a/OpenRA.Mods.RA/Crate.cs b/OpenRA.Mods.RA/Crate.cs
index d4d3c86f94..2ff3300294 100644
--- a/OpenRA.Mods.RA/Crate.cs
+++ b/OpenRA.Mods.RA/Crate.cs
@@ -61,7 +61,7 @@ namespace OpenRA.Mods.RA
 		public void OnCrush(Actor crusher)
 		{
 			var shares = self.TraitsImplementing<CrateAction>().Select(
-				a => Pair.New(a, a.GetSelectionShares(crusher)));
+				a => Pair.New(a, a.GetSelectionSharesOuter(crusher)));
 			var totalShares = shares.Sum(a => a.Second);
 			var n = self.World.SharedRandom.Next(totalShares);
 
diff --git a/OpenRA.Mods.RA/CrateAction.cs b/OpenRA.Mods.RA/CrateAction.cs
index 42fa1e2fa8..274372384d 100644
--- a/OpenRA.Mods.RA/CrateAction.cs
+++ b/OpenRA.Mods.RA/CrateAction.cs
@@ -19,6 +19,7 @@ namespace OpenRA.Mods.RA
 		public int SelectionShares = 10;
 		public string Effect = null;
 		public string Notification = null;
+		public string[] ExcludedActorTypes = { };
 
 		public virtual object Create(ActorInitializer init) { return new CrateAction(init.self, this); }
 	}
@@ -34,6 +35,14 @@ namespace OpenRA.Mods.RA
 			this.info = info;
 		}
 
+		public int GetSelectionSharesOuter(Actor collector)
+		{
+			if (info.ExcludedActorTypes.Contains(collector.Info.Name))
+				return 0;
+
+			return GetSelectionShares(collector);
+		}
+
 		public virtual int GetSelectionShares(Actor collector)
 		{
 			return info.SelectionShares;