diff --git a/OpenRA.Game/Traits/Player/FrozenActorLayer.cs b/OpenRA.Game/Traits/Player/FrozenActorLayer.cs
index 4ce42e400b..b77df6f1f9 100644
--- a/OpenRA.Game/Traits/Player/FrozenActorLayer.cs
+++ b/OpenRA.Game/Traits/Player/FrozenActorLayer.cs
@@ -100,7 +100,7 @@ namespace OpenRA.Traits
 					Shrouded = false;
 			}
 
-			NeedRenderables = Visible && !wasVisible;
+			NeedRenderables |= Visible && !wasVisible;
 		}
 
 		public void Flash()