diff --git a/addons/web/static/src/js/data.js b/addons/web/static/src/js/data.js
index 74e161bd878..95cbf067cfb 100644
--- a/addons/web/static/src/js/data.js
+++ b/addons/web/static/src/js/data.js
@@ -1047,8 +1047,11 @@ instance.web.BufferedDataSet = instance.web.DataSetStatic.extend({
         return this._super(id, signal);
     },
     alter_ids: function(n_ids) {
+        var dirty = !_.isEqual(this.ids, n_ids);
         this._super(n_ids);
-        this.trigger("dataset_changed", n_ids);
+        if(dirty) {
+            this.trigger("dataset_changed", n_ids);
+        }
     },
 });
 instance.web.BufferedDataSet.virtual_id_regex = /^one2many_v_id_.*$/;