diff --git a/examples/private_ecdsa_sign.rs b/examples/private_ecdsa_sign.rs
index e09d7a2..45f1920 100644
--- a/examples/private_ecdsa_sign.rs
+++ b/examples/private_ecdsa_sign.rs
@@ -1,11 +1,10 @@
+use base64::engine::general_purpose::STANDARD;
 use base64::Engine;
 use swift_secure_enclave_tool_rs::private_key_ecdsa_sign;
 
 fn main() {
     let args = std::env::args().collect::<Vec<_>>();
-    let private_key_representation = base64::engine::general_purpose::STANDARD
-        .decode(&args[1])
-        .unwrap();
+    let private_key_representation = STANDARD.decode(&args[1]).unwrap();
 
     let signature = private_key_ecdsa_sign(&private_key_representation, b"hello world").unwrap();