diff --git a/OpenRA.Mods.Common/AI/HackyAI.cs b/OpenRA.Mods.Common/AI/HackyAI.cs
index aec394b21ffc..55e2471c3f3e 100644
--- a/OpenRA.Mods.Common/AI/HackyAI.cs
+++ b/OpenRA.Mods.Common/AI/HackyAI.cs
@@ -974,6 +974,9 @@ void FindNewUnits(Actor self)
 
 			foreach (var a in newUnits)
 			{
+				if (Info.UnitsCommonNames.ExcludeFromSquads.Contains(a.Info.Name))
+					continue;
+
 				if (a.Info.HasTraitInfo<HarvesterInfo>())
 					harvesters.Add(a);