diff --git a/main.py b/main.py
index efd27c5..5d8fe98 100644
--- a/main.py
+++ b/main.py
@@ -82,7 +82,7 @@ def read_file_proto_x_stop(content):
                 trip_data["hora_llegada"] = datetime.fromtimestamp(update.arrival.time).strftime('%H:%M:%S')
 
                 key = f'stop_id:{update.stop_id}'
-                if update.stop_id in data_stop:
+                if key in data_stop:
                     data_stop[key].append(trip_data)
                 else:
                     data_stop[key] = [ trip_data ]