diff --git a/src/main.rs b/src/main.rs
index b59a2819d57c4ca802167bb87876bbd96bdc725f..beedb7c47c39ca837f5eeccc17e31552c6b29068 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -292,7 +292,7 @@ async fn main() -> Result<(), anyhow::Error> {
                                 chain_id,
                                 time_since_beginning,
                                 simulation_behavior.quantity,
-                                Bytes::default(), // Bytes::from_static(&behavior.mobility_record),
+                                simulation_behavior.mobility_record.to_bytes()
                             ).await;
                             info!("Sent bx({:?}): {:?}",simulation_behavior.id,bx_hash);
                     }
diff --git a/src/utils/mobility_data.rs b/src/utils/mobility_data.rs
index 44d77f1c74fcc055e6d974364d2b64af9016b66d..364057764dd03263407b3dd4b92a62346ad9b320 100644
--- a/src/utils/mobility_data.rs
+++ b/src/utils/mobility_data.rs
@@ -45,7 +45,7 @@ pub struct MobilityRecord {
 
 impl MobilityRecord {
     // Convert to a byte array
-    // TODO: update serialization when CSV struct is final
+    // TODO: update serialization when CSV struct is in final version
     pub fn to_bytes(&self) -> Bytes {
         let serialized_mobility_record = serde_json::to_string(self).unwrap();
         let bytes = serialized_mobility_record.as_bytes();