diff --git a/OpenRA.Mods.Common/AI/HackyAI.cs b/OpenRA.Mods.Common/AI/HackyAI.cs
index fa21d57570..cdc1f12d62 100644
--- a/OpenRA.Mods.Common/AI/HackyAI.cs
+++ b/OpenRA.Mods.Common/AI/HackyAI.cs
@@ -765,7 +765,7 @@ namespace OpenRA.Mods.Common.AI
 		{
 			var allEnemyBaseBuilder = FindEnemyConstructionYards();
 			var ownUnits = activeUnits
-				.Where(unit => unit.Info.HasTraitInfo<AttackBaseInfo>() && !unit.Info.HasTraitInfo<AircraftInfo>() && unit.IsIdle).ToList();
+				.Where(unit => unit.IsIdle && unit.Info.HasTraitInfo<AttackBaseInfo>() && !unit.Info.HasTraitInfo<AircraftInfo>()).ToList();
 
 			if (!allEnemyBaseBuilder.Any() || (ownUnits.Count < Info.SquadSize))
 				return;