diff --git a/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction.rs b/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction.rs
index 09cb6f80f..a7e88c360 100644
--- a/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction.rs
+++ b/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction.rs
@@ -759,9 +759,9 @@ mod tests {
                     }
                     2 => {
                         assert_eq!(params.title, "Cardano");
-                        assert!(params.body.starts_with(
-                            "Delegate voting for account #1 to type Always Abstain?"
-                        ));
+                        assert!(params
+                            .body
+                            .starts_with("Delegate voting for account #1 to type Always Abstain?"));
                         true
                     }
                     3 => {
diff --git a/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction/cbor.rs b/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction/cbor.rs
index 225becf74..0e53e5dc9 100644
--- a/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction/cbor.rs
+++ b/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction/cbor.rs
@@ -172,12 +172,15 @@ pub fn encode_transaction_body<W: Write>(
                 }) => {
                     encoder.array(3)?.u8(9)?;
                     encode_stake_credential(&mut encoder, keypath)?;
-                    let drep_type = certificate::vote_delegation::CardanoDRepType::try_from(*r#type)?;
+                    let drep_type =
+                        certificate::vote_delegation::CardanoDRepType::try_from(*r#type)?;
                     match drep_type {
                         certificate::vote_delegation::CardanoDRepType::KeyHash => {
                             encoder.array(2)?.u8(0)?;
                             match drep_credhash {
-                                Some(hash) if hash.len() == 28 => { encoder.bytes(hash)?;}
+                                Some(hash) if hash.len() == 28 => {
+                                    encoder.bytes(hash)?;
+                                }
                                 Some(_hash) => return Err(Error::InvalidInput),
                                 None => return Err(Error::InvalidInput),
                             }
@@ -185,7 +188,9 @@ pub fn encode_transaction_body<W: Write>(
                         certificate::vote_delegation::CardanoDRepType::ScriptHash => {
                             encoder.array(2)?.u8(1)?;
                             match drep_credhash {
-                                Some(hash) if hash.len() == 28 => { encoder.bytes(hash)?;}
+                                Some(hash) if hash.len() == 28 => {
+                                    encoder.bytes(hash)?;
+                                }
                                 Some(_hash) => return Err(Error::InvalidInput),
                                 None => return Err(Error::InvalidInput),
                             }
diff --git a/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction/certificates.rs b/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction/certificates.rs
index 31f7f86f8..931905d8d 100644
--- a/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction/certificates.rs
+++ b/src/rust/bitbox02-rust/src/hww/api/cardano/sign_transaction/certificates.rs
@@ -95,40 +95,48 @@ pub async fn verify<'a>(
             }) => {
                 validate_address_shelley_stake(keypath, Some(bip44_account))?;
                 signing_keypaths.push(keypath);
-                let drep_type_name =  match certificate::vote_delegation::CardanoDRepType::try_from(*r#type)? {
-                   certificate::vote_delegation::CardanoDRepType::KeyHash => "Key Hash",
-                   certificate::vote_delegation::CardanoDRepType::ScriptHash => "Script Hash",
-                   certificate::vote_delegation::CardanoDRepType::AlwaysAbstain => "Always Abstain",
-                   certificate::vote_delegation::CardanoDRepType::AlwaysNoConfidence => "Always No Confidence",
-                };
+                let drep_type_name =
+                    match certificate::vote_delegation::CardanoDRepType::try_from(*r#type)? {
+                        certificate::vote_delegation::CardanoDRepType::KeyHash => "Key Hash",
+                        certificate::vote_delegation::CardanoDRepType::ScriptHash => "Script Hash",
+                        certificate::vote_delegation::CardanoDRepType::AlwaysAbstain => {
+                            "Always Abstain"
+                        }
+                        certificate::vote_delegation::CardanoDRepType::AlwaysNoConfidence => {
+                            "Always No Confidence"
+                        }
+                    };
                 match drep_credhash {
-                    Some(hash) => { confirm::confirm(&confirm::Params {
-                        title: params.name,
-                        body: &format!(
-                            "Delegate voting for account #{} to type {} and drep {}?",
-                            keypath[2] + 1 - HARDENED,
-                            drep_type_name,
-                            hex::encode(hash),
-                        ),
-                        scrollable: true,
-                        accept_is_nextarrow: true,
-                        ..Default::default()
-                    })
-                    .await?; }
-                    None => { confirm::confirm(&confirm::Params {
-                        title: params.name,
-                        body: &format!(
-                            "Delegate voting for account #{} to type {}?",
-                            keypath[2] + 1 - HARDENED,
-                            drep_type_name,
-                        ),
-                        scrollable: true,
-                        accept_is_nextarrow: true,
-                        ..Default::default()
-                    })
-                    .await?; }
+                    Some(hash) => {
+                        confirm::confirm(&confirm::Params {
+                            title: params.name,
+                            body: &format!(
+                                "Delegate voting for account #{} to type {} and drep {}?",
+                                keypath[2] + 1 - HARDENED,
+                                drep_type_name,
+                                hex::encode(hash),
+                            ),
+                            scrollable: true,
+                            accept_is_nextarrow: true,
+                            ..Default::default()
+                        })
+                        .await?;
+                    }
+                    None => {
+                        confirm::confirm(&confirm::Params {
+                            title: params.name,
+                            body: &format!(
+                                "Delegate voting for account #{} to type {}?",
+                                keypath[2] + 1 - HARDENED,
+                                drep_type_name,
+                            ),
+                            scrollable: true,
+                            accept_is_nextarrow: true,
+                            ..Default::default()
+                        })
+                        .await?;
+                    }
                 }
-
             }
         };
     }