diff --git a/benches/sort_kernel.rs b/benches/sort_kernel.rs
index ed48c4c8e42..30d89c441cb 100644
--- a/benches/sort_kernel.rs
+++ b/benches/sort_kernel.rs
@@ -35,7 +35,7 @@ fn bench_lexsort(arr_a: &dyn Array, array_b: &dyn Array) {
         },
     ];
 
-    criterion::black_box(lexsort(&columns, None).unwrap());
+    criterion::black_box(lexsort::<u32>(&columns, None).unwrap());
 }
 
 fn bench_sort(arr_a: &dyn Array) {