diff --git a/crates/sui-graphql-client/src/lib.rs b/crates/sui-graphql-client/src/lib.rs
index 358b388d2..6199a1e9d 100644
--- a/crates/sui-graphql-client/src/lib.rs
+++ b/crates/sui-graphql-client/src/lib.rs
@@ -2141,7 +2141,7 @@ mod tests {
         let chckp = client.checkpoint(None, Some(chckp_id)).await;
         assert!(chckp.is_ok());
         let digest = chckp.unwrap().unwrap().content_digest;
-        let chckp_digest = CheckpointDigest::from_bytes(&digest.inner()).unwrap();
+        let chckp_digest = CheckpointDigest::from_bytes(digest.inner()).unwrap();
         let total_transaction_blocks = client
             .total_transaction_blocks_by_digest(chckp_digest)
             .await