diff --git a/lgn-provers/src/params/mod.rs b/lgn-provers/src/params/mod.rs
index 3855aa4..1b42a10 100644
--- a/lgn-provers/src/params/mod.rs
+++ b/lgn-provers/src/params/mod.rs
@@ -27,7 +27,7 @@ impl ParamsLoader {
                 let reader = std::io::BufReader::new(file);
                 bincode::deserialize_from(reader).map_err(Into::into)
             }
-            Err() => {
+            Err(_) => {
                 info!("public params are not locally stored yet");
 
                 let params = Self::download_file(base_url, file_name)?;