diff --git a/keystore2/src/legacy_blob.rs b/keystore2/src/legacy_blob.rs
index c27a050..e05e686 100644
--- a/keystore2/src/legacy_blob.rs
+++ b/keystore2/src/legacy_blob.rs
@@ -961,7 +961,7 @@
 
     fn make_user_path_name(&self, user_id: u32) -> PathBuf {
         let mut path = self.path.clone();
-        path.push(&format!("user_{}", user_id));
+        path.push(format!("user_{}", user_id));
         path
     }