diff --git a/app/Http/Controllers/iLinkTransactionController.php b/app/Http/Controllers/iLinkTransactionController.php
index e383e35..415e34c 100755
--- a/app/Http/Controllers/iLinkTransactionController.php
+++ b/app/Http/Controllers/iLinkTransactionController.php
@@ -921,6 +921,9 @@ class iLinkTransactionController extends Controller
                 $this->validate($request, $transaction->cash_wallet_rules());
                 $agent = AgentPlus::findOrFail($network_agent->agent_id);
                 if ($this->checkPassword($request->password, $agent->encrypted_password, $agent->salt)) {
+                    if ($request->montant > $walletAgent->balance_princ)
+                        return $this->errorResponse(trans('errors.insufficient_balance'));
+
                     $user = User::where('user_code', $request->user_code)->first();
                     if (!$user)
                         return $this->errorResponse(trans('errors.wallet_not_defined'));
@@ -944,6 +947,7 @@ class iLinkTransactionController extends Controller
                     $commisionSuper = floatval($frais * $config->taux_com_sup_envoi_cash / 100);
                     $commisionHyper = floatval($frais * $config->taux_com_hyp_envoi_cash / 100);
 
+                    $walletAgent->balance_princ -= $transaction->montant;
                     $walletAgent->balance_com += $commisionAgent;
                     $transaction->commission_ag = $commisionAgent;
                     $walletSuperviseur->balance_com += $commisionSuper;