diff --git a/src/pages/home/home.ts b/src/pages/home/home.ts
index 65859ce..9f7c6a4 100755
--- a/src/pages/home/home.ts
+++ b/src/pages/home/home.ts
@@ -727,11 +727,11 @@ async function handleMainPairing(): Promise<void> {
         console.log('🪙 Requesting faucet tokens for pairing...');
         try {
           const services = await Services.getInstance();
-          
+
           // Ensure relays are connected before requesting faucet
           console.log('🔄 Ensuring relays are connected...');
           await services.connectAllRelays();
-          
+
           await services.getTokensFromFaucet();
           console.log('✅ Faucet tokens requested successfully');
         } catch (error) {
diff --git a/src/services/service.ts b/src/services/service.ts
index d195764..7cad307 100755
--- a/src/services/service.ts
+++ b/src/services/service.ts
@@ -1709,7 +1709,8 @@ export default class Services {
         }
 
         // Injecter les clés depuis les credentials dans le device de la base de données
-        deviceFromDb.sp_wallet.spend_key = credentials.spendKey;
+        // spend_key doit être un objet {Secret: string}
+        deviceFromDb.sp_wallet.spend_key = {Secret: credentials.spendKey};
         deviceFromDb.sp_wallet.scan_key = credentials.scanKey;
 
         // Restaurer le device complet avec toutes les informations (birthday, last_scan, clés)
@@ -1722,9 +1723,16 @@ export default class Services {
         const deviceInMemory = this.dumpDeviceFromMemory();
         if (deviceInMemory?.sp_wallet && credentials.spendKey && credentials.scanKey) {
           // Mettre à jour les clés dans le device en mémoire
-          deviceInMemory.sp_wallet.spend_key = credentials.spendKey;
+          // spend_key doit être un objet {Secret: string}
+          deviceInMemory.sp_wallet.spend_key = {Secret: credentials.spendKey};
           deviceInMemory.sp_wallet.scan_key = credentials.scanKey;
-
+          
+          console.log('🔧 Injected keys:', {
+            spend_key_type: typeof deviceInMemory.sp_wallet.spend_key,
+            scan_key_type: typeof deviceInMemory.sp_wallet.scan_key,
+            spend_key_secret: deviceInMemory.sp_wallet.spend_key?.Secret ? 'present' : 'missing'
+          });
+          
           // Restaurer le device avec les clés mises à jour
           this.restoreDevice(deviceInMemory);
           console.log('✅ Wallet keys injected and device restored');