diff --git a/src/main/java/com/sparrowwallet/sparrow/io/satochip/SatoCardApi.java b/src/main/java/com/sparrowwallet/sparrow/io/satochip/SatoCardApi.java
index 132de40d..09e03da9 100644
--- a/src/main/java/com/sparrowwallet/sparrow/io/satochip/SatoCardApi.java
+++ b/src/main/java/com/sparrowwallet/sparrow/io/satochip/SatoCardApi.java
@@ -164,19 +164,12 @@ public class SatoCardApi extends CardApi {
         for(PSBTInput psbtInput : psbt.getPsbtInputs()) {
             if(!psbtInput.isSigned()) {
                 WalletNode signingNode = signingNodes.get(psbtInput);
-                String fullPath = null;
                 List<Keystore> keystores = wallet.getKeystores();
-                for(int i = 0; i < keystores.size(); i++) {
-                    Keystore keystore = keystores.get(i);
-                    WalletModel walletModel = keystore.getWalletModel();
-                    if(walletModel == WalletModel.SATOCHIP) {
-                        String basePath = keystore.getKeyDerivation().getDerivationPath();
-                        String extendedPath = signingNode.getDerivationPath().substring(1);
-                        fullPath = basePath + extendedPath;
-                        keystore.getPubKey(signingNode);
-                        break;
-                    }
-                }
+                // recover full derivation path
+                Keystore keystore = keystores.get(0);
+                String basePath = keystore.getKeyDerivation().getDerivationPath();
+                String extendedPath = signingNode.getDerivationPath().substring(1);
+                String fullPath = basePath + extendedPath;
 
                 psbtInput.sign(new CardPSBTInputSigner(signingNode, fullPath));
             }