diff --git a/OpenRA.Mods.Common/Traits/Turreted.cs b/OpenRA.Mods.Common/Traits/Turreted.cs
index e04417e1f0..05edf3cd17 100644
--- a/OpenRA.Mods.Common/Traits/Turreted.cs
+++ b/OpenRA.Mods.Common/Traits/Turreted.cs
@@ -158,7 +158,7 @@ namespace OpenRA.Mods.Common.Traits
 
 		public void StopAiming(Actor self)
 		{
-			if (attack.IsAiming)
+			if (attack != null && attack.IsAiming)
 				attack.OnStopOrder(self);
 		}