diff --git a/tpmcqr_service/api/utils.py b/tpmcqr_service/api/utils.py
index b771464..56a58f2 100644
--- a/tpmcqr_service/api/utils.py
+++ b/tpmcqr_service/api/utils.py
@@ -173,7 +173,7 @@ def estima_llegada(parada_distance, expedicion):
     ts = int(time.time())
     data_keys = ['trip_traveled', 'bus_id', 'trip_lat', 'trip_lon', 'trip_pos', 'ts']
     trip_info = dict(zip(data_keys, expedicion))
-    trip_info['bus_id'] = xxhash.xxh32(trip_info['bus_id'], seed=int(parada_distance).hexdigest()
+    trip_info['bus_id'] = xxhash.xxh32(trip_info['bus_id'], seed=int(parada_distance)).hexdigest()
 
     trip_info['drift'] = int(trip_info['ts']) - ts
     trip_info['trip_distance'] = parada_distance - int(trip_info['trip_traveled'])