diff --git a/src/Banquale/Banquale/Views/SwitchAccountPage.xaml.cs b/src/Banquale/Banquale/Views/SwitchAccountPage.xaml.cs
index 0854e47..4b719b3 100644
--- a/src/Banquale/Banquale/Views/SwitchAccountPage.xaml.cs
+++ b/src/Banquale/Banquale/Views/SwitchAccountPage.xaml.cs
@@ -15,15 +15,21 @@ public partial class SwitchAccountPage : ContentPage
 
     public async void Transfer_Clicked(object sender, EventArgs e)
     {
-        Mgr.SelectedAccount = Mgr.SelectedCustomer.AccountsList[0]; // 0 � changer
-        if(Mgr.IsConsultant == true)
-        {
-            await Shell.Current.Navigation.PushAsync(new Balance.BalancePage());
-        }
-        else
-        {
-            await Shell.Current.GoToAsync("//balance");
+        var selectedItem = (sender as Button)?.BindingContext as Account;
+
+        if (selectedItem != null)
+        {
+            Mgr.SelectedAccount = selectedItem;
+            if (Mgr.IsConsultant == true)
+            {
+                await Shell.Current.Navigation.PushAsync(new Balance.BalancePage());
+            }
+            else
+            {
+                await Shell.Current.GoToAsync("//balance");
+            }
         }
+        
     }
 
     async void DisconnectionClicked(object sender, EventArgs e)
diff --git a/src/Banquale/Banquale/Views/Transfer/TransferPage.xaml.cs b/src/Banquale/Banquale/Views/Transfer/TransferPage.xaml.cs
index 45ab159..45bc017 100644
--- a/src/Banquale/Banquale/Views/Transfer/TransferPage.xaml.cs
+++ b/src/Banquale/Banquale/Views/Transfer/TransferPage.xaml.cs
@@ -25,7 +25,12 @@ public partial class TransferPage : ContentPage
             {
                 if(acc.Name == Name.Text && acc.IBAN == IBAN.Text)
                 {
-                    acc.DoTransactions(acc, Convert.ToDouble(Sum.Text), true, count+1); // Type true car c'est un virement
+                    if(Mgr.SelectedAccount.Balance - Convert.ToDouble(Sum.Text) < 0)
+                    {
+                        await DisplayAlert("Erreur", "Vous ne possèdez pas assez d'argent sur ce compte pour aboutir à la transaction", "OK");
+                        return;
+                    }
+                    Mgr.SelectedAccount.DoTransactions(acc, Convert.ToDouble(Sum.Text), true, count+1); // Type true car c'est un virement
                     await Shell.Current.Navigation.PopAsync();
                     return;
                 }
diff --git a/src/Banquale/Model/Account.cs b/src/Banquale/Model/Account.cs
index a0cdaae..3ab60ef 100644
--- a/src/Banquale/Model/Account.cs
+++ b/src/Banquale/Model/Account.cs
@@ -109,7 +109,17 @@ namespace Model
         /// Obtient ou définit la liste des transactions effectuées sur le compte.
         /// </summary>
         [DataMember(Order = 5)]
-        public ObservableCollection<Transaction> TransactionsList { get; set; } = new ObservableCollection<Transaction>();
+        public ObservableCollection<Transaction> TransactionsList 
+        {
+            get => transactionsList;
+            set
+            {
+                transactionsList = value;
+                OnPropertyChanged(nameof(TransactionsList));
+            } 
+        } 
+
+        private ObservableCollection<Transaction> transactionsList;
 
         /// <summary>
         /// Effectue une transaction entre le compte courant et un compte tiers.
@@ -146,6 +156,7 @@ namespace Model
             Name = name;
             IBAN = iban;
             IBANHide = IBANToString();
+            TransactionsList = new ObservableCollection<Transaction>();
         }
 
         /// <summary>