diff --git a/OpenRA.Mods.RA/Activities/Sell.cs b/OpenRA.Mods.RA/Activities/Sell.cs
index 9a245177db..4585e06e38 100755
--- a/OpenRA.Mods.RA/Activities/Sell.cs
+++ b/OpenRA.Mods.RA/Activities/Sell.cs
@@ -19,6 +19,9 @@ namespace OpenRA.Mods.RA.Activities
 	{
 		public override Activity Tick(Actor self)
 		{
+			var capturing = self.TraitOrDefault<Capturable>();
+			if (capturing != null && capturing.CaptureInProgress) return NextActivity;
+
 			var h = self.TraitOrDefault<Health>();
 			var si = self.Info.Traits.Get<SellableInfo>();
 			var pr = self.Owner.PlayerActor.Trait<PlayerResources>();
diff --git a/OpenRA.Mods.RA/Sellable.cs b/OpenRA.Mods.RA/Sellable.cs
index dc280c48d2..399fd7f8a6 100644
--- a/OpenRA.Mods.RA/Sellable.cs
+++ b/OpenRA.Mods.RA/Sellable.cs
@@ -27,6 +27,10 @@ namespace OpenRA.Mods.RA
 		{
 			if (order.OrderString == "Sell" && !Selling)
 			{
+				var capturing = self.TraitOrDefault<Capturable>();
+				if (capturing != null && capturing.CaptureInProgress)
+					return;
+
 				Selling = true;
 
 				foreach( var ns in self.TraitsImplementing<INotifySold>() )