diff --git a/bin/fenetres/create$1.class b/bin/fenetres/create$1.class
index bcc93da..5580eee 100644
Binary files a/bin/fenetres/create$1.class and b/bin/fenetres/create$1.class differ
diff --git a/bin/fenetres/create$2.class b/bin/fenetres/create$2.class
index 98b29e5..bed77b4 100644
Binary files a/bin/fenetres/create$2.class and b/bin/fenetres/create$2.class differ
diff --git a/bin/fenetres/create$3.class b/bin/fenetres/create$3.class
index c55861d..e07f80c 100644
Binary files a/bin/fenetres/create$3.class and b/bin/fenetres/create$3.class differ
diff --git a/bin/fenetres/create$5.class b/bin/fenetres/create$5.class
index 5e3bd7e..322590b 100644
Binary files a/bin/fenetres/create$5.class and b/bin/fenetres/create$5.class differ
diff --git a/bin/fenetres/create$6.class b/bin/fenetres/create$6.class
index 9996955..e98ebee 100644
Binary files a/bin/fenetres/create$6.class and b/bin/fenetres/create$6.class differ
diff --git a/bin/fenetres/create.class b/bin/fenetres/create.class
index 896db1f..91a9310 100644
Binary files a/bin/fenetres/create.class and b/bin/fenetres/create.class differ
diff --git a/src/fenetres/create.java b/src/fenetres/create.java
index 6a10b86..615903b 100644
--- a/src/fenetres/create.java
+++ b/src/fenetres/create.java
@@ -580,10 +580,14 @@ public final class create extends JFrame {
 					if(listeDesNodesEvalPlacement.isPlacement(nod)) {
 						btnevalPlacementtrue.setEnabled(true);
 						btnevalPlacementfalse.setEnabled(true);
-						btnevalFirstChildtrue.setEnabled(true);
-						btnevalFirstChildfalse.setEnabled(true);
-						btnevalLastChildtrue.setEnabled(true);
-						btnevalLastChildfalse.setEnabled(true);
+						if(nod.retourneLeNodeFrereAvant()==null) {
+							btnevalFirstChildtrue.setEnabled(true);
+							btnevalFirstChildfalse.setEnabled(true);
+						}
+						if(nod.retourneLeNodeFrereApres()==null) {
+							btnevalLastChildtrue.setEnabled(true);
+							btnevalLastChildfalse.setEnabled(true);
+						}
 					}
 					if(listeDesNodesAncrable.isAncrable(nod)) {
 						btnevalAncrageNumeroAbsoluePagetrue.setEnabled(true);