diff --git a/sao/src/model.js b/sao/src/model.js
index c345788189..6d0ac60a09 100644
--- a/sao/src/model.js
+++ b/sao/src/model.js
@@ -1367,6 +1367,9 @@
             }
         },
         get_loaded: function(fields) {
+            if (this.id < 0) {
+                return true;
+            }
             if (!fields) {
                 fields = Object.keys(this.model.fields);
             }
diff --git a/tryton/tryton/gui/window/view_form/model/record.py b/tryton/tryton/gui/window/view_form/model/record.py
index 42665f9cf8..614095a52a 100644
--- a/tryton/tryton/gui/window/view_form/model/record.py
+++ b/tryton/tryton/gui/window/view_form/model/record.py
@@ -303,6 +303,8 @@ class Record:
             self.reload(fields)
 
     def get_loaded(self, fields=None):
+        if self.id < 0:
+            return True
         if fields is None:
             fields = self.group.fields.keys()
         return set(fields) <= (self._loaded | set(self.modified_fields))