diff --git a/rust/worker/src/blockstore/arrow_blockfile/block/types.rs b/rust/worker/src/blockstore/arrow_blockfile/block/types.rs
index c814630bbed6..fdd30b805950 100644
--- a/rust/worker/src/blockstore/arrow_blockfile/block/types.rs
+++ b/rust/worker/src/blockstore/arrow_blockfile/block/types.rs
@@ -507,6 +507,12 @@ mod test {
                 )
                 .unwrap();
         }
+
+        // Basic sanity check
+        let block_data = block_builder.build().unwrap();
+        assert_eq!(block_data.data.column(0).len(), num_entries);
+        assert_eq!(block_data.data.column(1).len(), num_entries);
+        assert_eq!(block_data.data.column(2).len(), num_entries);
     }
 
     #[test]