diff --git a/Cargo.lock b/Cargo.lock
index 734111f..baa48b2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -508,7 +508,7 @@ dependencies = [
 
 [[package]]
 name = "card-cli"
-version = "1.13.7"
+version = "1.13.8"
 dependencies = [
  "aes-gcm-stream",
  "authenticator 0.3.1",
diff --git a/Cargo.toml b/Cargo.toml
index b310552..1522c38 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "card-cli"
-version = "1.13.7"
+version = "1.13.8"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
 
diff --git a/src/cmd_keypair_generate.rs b/src/cmd_keypair_generate.rs
index 7e14d0d..e60d3bf 100644
--- a/src/cmd_keypair_generate.rs
+++ b/src/cmd_keypair_generate.rs
@@ -99,9 +99,12 @@ impl Command for CommandImpl {
             || pbeutil::is_simple_pbe_encrypted(&pkcs8_base64);
         let yubikey_hmac_enc_soft_key_uri =
             if let (true, Some(algorithm_id)) = (with_encrypt, algorithm_id) {
-                let yk = yubikeyutil::open_yubikey()?;
+                let yubikey_name = match yubikeyutil::open_yubikey() {
+                    Ok(yk) => format!("yubikey{}-{}", yk.version().major, yk.serial().0),
+                    Err(_) => "yubikey-unknown".to_string(),
+                };
                 let yubikey_hmac_enc_soft_key = YubikeyHmacEncSoftKey {
-                    key_name: format!("yubikey{}-{}", yk.version().major, yk.serial().0),
+                    key_name: yubikey_name,
                     algorithm: algorithm_id,
                     hmac_enc_private_key: pkcs8_base64.clone(),
                 };