diff --git a/cubestore/src/lib.rs b/cubestore/src/lib.rs
index 9096887..fb9cfe3 100644
--- a/cubestore/src/lib.rs
+++ b/cubestore/src/lib.rs
@@ -887,7 +887,7 @@ mod tests {
     fn hash_backend_keys_sorted_order() {
         let mut b = HashBackend::new();
         for c in 1u8..=3 {
-            b.put(Czyx::new(50, c, 10, 1), vec![c as u8]);
+            b.put(Czyx::new(50, c, 10, 1), vec![c]);
         }
         let keys = b.keys();
         assert_eq!(keys.len(), 3);