diff --git a/src/main.rs b/src/main.rs
index 2974caee..9fc1191d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -122,7 +122,7 @@ fn sign(cli: SignCli) -> anyhow::Result<()> {
         let mut sign_parties = SignParties::with_max_size(party_share_counts.party_count());
         for i in &cli.parties {
             sign_parties
-                .add(TypedUsize::from_usize(*i as usize))
+                .add(TypedUsize::from_usize(*i))
                 .unwrap();
         }
         sign_parties