1 files changed, 5 insertions, 1 deletions
diff --git a/addons/web/static/src/js/views/basic/basic_model.js b/addons/web/static/src/js/views/basic/basic_model.js
index 8dc540a8861..8de831ee506 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -4364,8 +4364,12 @@ var BasicModel = AbstractModel.extend({
         var fields = view ? view.fields : fieldInfo.relatedFields;
         var viewType = view ? view.type : fieldInfo.viewType;
 
+        // remove default_* keys from parent context to avoid issue of same field name in x2m
+        var parentContext = _.omit(record.context, function (val, key) {
+            return _.str.startsWith(key, 'default_');
+        });
         var x2manyList = self._makeDataPoint({
-            context: record.context,
+            context: parentContext,
             fieldsInfo: fieldsInfo,
             fields: fields,
             limit: fieldInfo.limit,