diff --git a/openpgp-card-sequoia/examples/test.rs b/openpgp-card-sequoia/examples/test.rs
index d6bf652..5cf47fa 100644
--- a/openpgp-card-sequoia/examples/test.rs
+++ b/openpgp-card-sequoia/examples/test.rs
@@ -103,17 +103,17 @@ fn main() -> Result<(), Box<dyn Error>> {
 
         println!();
 
-        let res = admin.set_name("Bar<<Foo")?;
-        println!("set name {:x?}", res);
+        admin.set_name("Bar<<Foo")?;
+        println!("set name - ok");
 
-        let res = admin.set_sex(Sex::NotApplicable)?;
-        println!("set sex {:x?}", res);
+        admin.set_sex(Sex::NotApplicable)?;
+        println!("set sex - ok");
 
-        let res = admin.set_lang(&[['e', 'n'].into()])?;
-        println!("set lang {:x?}", res);
+        admin.set_lang(&[['e', 'n'].into()])?;
+        println!("set lang - ok");
 
-        let res = admin.set_url("https://keys.openpgp.org")?;
-        println!("set url {:x?}", res);
+        admin.set_url("https://keys.openpgp.org")?;
+        println!("set url - ok");
 
         let cert = Cert::from_file(TEST_KEY_PATH)?;
         let p = StandardPolicy::new();
diff --git a/openpgp-card/src/card_do/pw_status.rs b/openpgp-card/src/card_do/pw_status.rs
index 5fd9e1c..14e7aa8 100644
--- a/openpgp-card/src/card_do/pw_status.rs
+++ b/openpgp-card/src/card_do/pw_status.rs
@@ -17,7 +17,8 @@ impl PWStatusBytes {
     pub(crate) fn serialize_for_put(&self, long: bool) -> Vec<u8> {
         let mut data = vec![];
 
-        data.push(if self.pw1_cds_valid_once { 0 } else { 1 });
+        // 0 if "valid once", 1 otherwise
+        data.push(u8::from(!self.pw1_cds_valid_once));
 
         if long {
             let mut b2 = self.pw1_len_format;