diff --git a/sao/src/model.js b/sao/src/model.js
index a5c8e0cfc3..134e5251dd 100644
--- a/sao/src/model.js
+++ b/sao/src/model.js
@@ -1285,7 +1285,7 @@
                     if (field.description.readonly) {
                         continue;
                     }
-                    if (fname == this.group.exclude_field) {
+                    if ([this.group.exclude_field, this.group.parent_name].includes(fname)) {
                         continue;
                     }
                     if (!field.validate(this, softvalidation, pre_validate)) {
diff --git a/tryton/tryton/gui/window/view_form/model/record.py b/tryton/tryton/gui/window/view_form/model/record.py
index 869e6b3bfa..6c8eb52d03 100644
--- a/tryton/tryton/gui/window/view_form/model/record.py
+++ b/tryton/tryton/gui/window/view_form/model/record.py
@@ -397,7 +397,8 @@ class Record(SignalEvent):
                 continue
             if field.attrs.get('readonly'):
                 continue
-            if field_name == self.group.exclude_field:
+            if field_name in {
+                    self.group.exclude_field, self.group.parent_name}:
                 continue
             if not field.validate(self, softvalidation, pre_validate):
                 res = False