diff --git a/zebra-chain/src/orchard/address.rs b/zebra-chain/src/orchard/address.rs
index b1ba2681..01e075b2 100644
--- a/zebra-chain/src/orchard/address.rs
+++ b/zebra-chain/src/orchard/address.rs
@@ -79,7 +79,7 @@ impl std::str::FromStr for Address {
                     network: match hrp.as_str() {
                         human_readable_parts::MAINNET => Network::Mainnet,
                         human_readable_parts::TESTNET => Network::Testnet,
-                        _ => Err(SerializationError::Parse("unknown network")),
+                        _ => return Err(SerializationError::Parse("unknown network")),
                     },
                     diversifier: keys::Diversifier::from(diversifier_bytes),
                     transmission_key: keys::TransmissionKey::from(transmission_key_bytes),
diff --git a/zebra-chain/src/orchard/keys.rs b/zebra-chain/src/orchard/keys.rs
index d64c4dee..edb6e2ee 100644
--- a/zebra-chain/src/orchard/keys.rs
+++ b/zebra-chain/src/orchard/keys.rs
@@ -186,7 +186,7 @@ impl FromStr for SpendingKey {
                     network: match hrp.as_str() {
                         sk_hrp::MAINNET => Network::Mainnet,
                         sk_hrp::TESTNET => Network::Testnet,
-                        _ => Err(SerializationError::Parse("unknown network")),
+                        _ => return Err(SerializationError::Parse("unknown network")),
                     },
                     bytes: decoded_bytes,
                 })