diff --git a/Sources/CoreLibrary/Plateau.cs b/Sources/CoreLibrary/Plateau.cs
index 3a78e43..b1c885f 100644
--- a/Sources/CoreLibrary/Plateau.cs
+++ b/Sources/CoreLibrary/Plateau.cs
@@ -51,7 +51,12 @@
 
         public void AjouterCode(Code code)
         {
-            if (code.NbJetons < tailleCode || !code.EstComplet()) 
+            if (code.NbJetons < tailleCode) 
+            {
+                throw new PlateauTailleCodeIncompleteException();
+            } 
+            
+            if (!code.EstComplet()) 
             { 
                 throw new PlateauCodeIncompletException(); 
             }
diff --git a/Sources/CoreLibrary/PlateauTailleCodeIncompleteException.cs b/Sources/CoreLibrary/PlateauTailleCodeIncompleteException.cs
new file mode 100644
index 0000000..38133c7
--- /dev/null
+++ b/Sources/CoreLibrary/PlateauTailleCodeIncompleteException.cs
@@ -0,0 +1,7 @@
+namespace CoreLibrary
+{
+    public class PlateauTailleCodeIncompleteException : Exception
+    {
+        public PlateauTailleCodeIncompleteException() : base("Le code n'est pas remplit au maximum") { }
+    }
+}