diff --git a/OpenRA.Mods.RA/Render/WithIdleOverlay.cs b/OpenRA.Mods.RA/Render/WithIdleOverlay.cs
index b4e1eb2012..ef855eeb46 100644
--- a/OpenRA.Mods.RA/Render/WithIdleOverlay.cs
+++ b/OpenRA.Mods.RA/Render/WithIdleOverlay.cs
@@ -49,7 +49,7 @@ namespace OpenRA.Mods.RA.Render
 		}
 	}
 
-	public class WithIdleOverlay : INotifyDamageStateChanged, INotifyBuildComplete, INotifySold
+	public class WithIdleOverlay : INotifyDamageStateChanged, INotifyBuildComplete, INotifySold, INotifyTransform
 	{
 		Animation overlay;
 		bool buildComplete;
@@ -83,6 +83,13 @@ namespace OpenRA.Mods.RA.Render
 			buildComplete = false;
 		}
 
+		public void BeforeTransform(Actor self)
+		{
+			buildComplete = false;
+		}
+		public void OnTransform(Actor self) { }
+		public void AfterTransform(Actor self) { }
+
 		public void DamageStateChanged(Actor self, AttackInfo e)
 		{
 			overlay.ReplaceAnim(RenderSprites.NormalizeSequence(overlay, e.DamageState, overlay.CurrentSequence.Name));