diff --git a/sao/src/model.js b/sao/src/model.js
index 15f3cfe784..6c45308b9b 100644
--- a/sao/src/model.js
+++ b/sao/src/model.js
@@ -2559,7 +2559,11 @@
                         }
                         const record2 = group.get(vals.id);
                         if (record2) {
-                            record2.set_on_change(vals);
+                            let to_update = Object.fromEntries(
+                                Object.entries(vals).filter(
+                                    ([k, v]) => !Object.prototype.hasOwnProperty.call(vals_to_set, k)
+                                ));
+                            record2.set_on_change(to_update);
                         }
                     }
                 }
diff --git a/tryton/tryton/gui/window/view_form/model/field.py b/tryton/tryton/gui/window/view_form/model/field.py
index 05ca2d1fe4..51fd9ef330 100644
--- a/tryton/tryton/gui/window/view_form/model/field.py
+++ b/tryton/tryton/gui/window/view_form/model/field.py
@@ -888,7 +888,10 @@ class O2MField(Field):
                     continue
                 record2 = group.get(vals['id'])
                 if record2 is not None:
-                    record2.set_on_change(vals)
+                    to_set = {
+                        k: v for k, v in vals.items
+                        if k not in vals_to_set}
+                    record2.set_on_change(to_set)
 
     def validation_domains(self, record, pre_validate=None):
         screen_domain, attr_domain = self.domains_get(record, pre_validate)