diff --git a/app/src/main/java/chess/view/DDDrender/world/World.java b/app/src/main/java/chess/view/DDDrender/world/World.java
index 17db900..bd67f94 100644
--- a/app/src/main/java/chess/view/DDDrender/world/World.java
+++ b/app/src/main/java/chess/view/DDDrender/world/World.java
@@ -47,8 +47,8 @@ public class World implements Closeable{
 
 	public void ejectPiece(Coordinate coordinate) {
 		PieceEntity entity = getPiece(coordinate);
-		assert entity != null;
-		this.entites.remove(entity);
+		if (entity != null)
+			this.entites.remove(entity);
 		setPieceCoords(null, coordinate);
 	}