diff --git a/imkey-core/ikc-common/src/apdu.rs b/imkey-core/ikc-common/src/apdu.rs
index 72de20e2..e11a9461 100644
--- a/imkey-core/ikc-common/src/apdu.rs
+++ b/imkey-core/ikc-common/src/apdu.rs
@@ -657,6 +657,7 @@ impl ApduCheck {
             "F080" => Err(ApduError::ImkeyInMenuPage.into()),
             "F081" => Err(ApduError::ImkeyPinNotVerified.into()),
             "6F01" => Err(ApduError::ImkeyBluetoothChannelError.into()),
+            "6943" => Err(ApduError::ImkeyMnemonicCheckFail.into()),
             _ => Err(anyhow!("imkey_command_execute_fail_{}", response_data)), //Err(ApduError::ImkeyCommandExecuteFail.into())
         }
     }
diff --git a/imkey-core/ikc-common/src/error.rs b/imkey-core/ikc-common/src/error.rs
index d6420895..8ca00f62 100644
--- a/imkey-core/ikc-common/src/error.rs
+++ b/imkey-core/ikc-common/src/error.rs
@@ -40,6 +40,8 @@ pub enum ApduError {
     ImkeyInMenuPage,
     #[error("imkey_pin_not_verified")]
     ImkeyPinNotVerified,
+    #[error("imkey_mnemonic_check_fail")]
+    ImkeyMnemonicCheckFail,
 }
 
 #[derive(Error, Debug, PartialOrd, PartialEq)]