diff --git a/modules/automation/automation.py b/modules/automation/automation.py
index b3ae75c..bf3e7a7 100644
--- a/modules/automation/automation.py
+++ b/modules/automation/automation.py
@@ -390,9 +390,9 @@ class AutomationDocument(ModelSQL, ModelView, Workflow):
                                 if lot.lot_type == 'physic':
                                     wr_payload = {
                                         "chunk_key": lot.lot_chunk_key,
-                                        "gross_weight": round(lot.lot_gross_quantity / factor,5),
-                                        "net_weight": round(lot.lot_quantity / factor,5),
-                                        "tare_total": round(wr.tare_kg * (lot.lot_quantity / weight_total),5) ,
+                                        "gross_weight": float(round(lot.lot_gross_quantity / factor,5)),
+                                        "net_weight": float(round(lot.lot_quantity / factor,5)),
+                                        "tare_total": float(round(wr.tare_kg * (lot.lot_quantity / weight_total),5)) ,
                                         "bags": int(wr.bales * (lot.lot_quantity / weight_total)),
                                         "surveyor_code": 231,
                                         "place_key": 0,