diff --git a/src/register.rs b/src/register.rs
index 0ead80a..3a54e14 100644
--- a/src/register.rs
+++ b/src/register.rs
@@ -74,8 +74,8 @@ impl Command for CommandImpl {
                     if let Some(device_name) = data.device_name {
                         success!("Device name: {}", device_name);
                     }
-                    success!("Public key: {}", hex::encode(data.pub_key));
-                    success!("Key handle: {}", hex::encode(data.key_handle));
+                    success!("Public key: {}", data.pub_key);
+                    success!("Key handle: {}", data.key_handle);
                 }
             }
             Err(e) => {