diff --git a/Code/IHM/Navigator.cs b/Code/IHM/Navigator.cs
index 953b410..f9ce3a9 100644
--- a/Code/IHM/Navigator.cs
+++ b/Code/IHM/Navigator.cs
@@ -20,6 +20,7 @@ namespace IHM
         public const string PART_MAIN = "Main";
         public const string PART_CONNEXION = "Connexion";
         public const string PART_INSCRIPTION = "Inscription";
+        public const string PART_MODIFSOLDE = "ModifSolde";
 
         public ReadOnlyDictionary<string, Func<UserControl>> WindowPart { get; private set; }
 
@@ -37,6 +38,7 @@ namespace IHM
         {
             [PART_CONNEXION] = () => new UCConnexion(),
             [PART_INSCRIPTION] = () => new UCInscription(),
+            [PART_MODIFSOLDE] = () => new UCModifSolde(),
         };
 
         public ReadOnlyDictionary<string, Func<UserControl>> WindowMain { get; private set; }
diff --git a/Code/IHM/UCModifSolde.xaml.cs b/Code/IHM/UCModifSolde.xaml.cs
index 0c02e63..23b41c0 100644
--- a/Code/IHM/UCModifSolde.xaml.cs
+++ b/Code/IHM/UCModifSolde.xaml.cs
@@ -20,6 +20,8 @@ namespace IHM
     /// </summary>
     public partial class ModifSolde : UserControl
     {
+        public Navigator Nav => (App.Current as App).Navigator;
+
         public ModifSolde()
         {
             InitializeComponent();