diff --git a/Donjon.java b/Donjon.java
index bd21dee..c8fac35 100644
--- a/Donjon.java
+++ b/Donjon.java
@@ -2,6 +2,6 @@ public abstract class Donjon extends Piece{
 	
 	public abstract Piece avant();
 	public abstract Piece apres();
-
-	public Piece ajouterPiece();
+	public abstract Piece ajouterPiece();
+	
 }
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